Beatsons Bandseal Coupling & Adaptors

A flexible rubber coupling used as a joint for a plain ended pipe, and also for the repair of an existing drain by the insertion of a new length of pipe. These fittings prevent the need for spot welding and also feature an innovative EPDM rubber sealing that will help seal your pipes as tightly as possible.

Brett Martin 4M 114mm Squarestyle/PVCu gutter

Profile / Range: 114 mm “Squarestyle” gutter system (rectilinear / square profile) Length: 4 metres (4000 mm) length piece. Material: uPVC (PVC-u) guttering. Colour: Brown (as indicated by code BR052BR)   Typical application: Domestic rainwater clearance / gutter run for new build or refurbishment where a clean, modern look is desired.

Brett Martin 2M 114mm Squarestyle/PVCu gutter

  Profile / Range: 114 mm Squarestyle (rectilinear “square” gutter system) Length: 2 metres (2000 mm) Material: uPVC (PVC-u) guttering   Colour: Brown (as per code suffix) – matching the “BR” in BR051BR; the Squarestyle system is available in multiple colours including Brown.

Brett Martin 45º Long Radius Blown Socket Duct Bend

Brett Martin 6m Blown Socket Duct Pipe

Brett Martin 87 1/2º Single Socket Bend

The Brett Martin 87½º Single Socket Bend is a high-quality soil and waste fitting designed to create a sharp change of direction in above-ground pipework. Manufactured from durable, impact-resistant PVC-U, it provides excellent long-term performance, resisting corrosion, chemicals, and everyday wear.   Its 87½º angle is ideal for near-vertical directional changes while maintaining efficient flow throughout the system. The single-socket design features a factory-fitted elastomeric seal, ensuring a watertight, secure joint and quick, reliable installation within Brett Martin’s soil system range.

Brett Martin - 45° Single Socket Bend

Brett Martin -  45° Single Socket Bend

Brett Martin 315mm 87 1/2º Double Socket Branch

315mm 87 1/2º Double Socket Branch

Brett Martin 200mm 45º Double Socket Branch

200mm 45º Double Socket Branch 315mM

Brett Martin 315mm x 45° Double socket Branch

A Brett Martin double socket branch is a underground drainage fitting made from tough PVC-U (uPVC), designed to join a main drainage run to a branch line at a 45° angle. It has two sockets (one for the main pipe and one for the branch) that accept pipes of specified diameters, allowing a smooth directional change and branch connection with minimal flow disruption. Key Features:   Angle: 45° branch from main pipeline — used to split or divert flows gently (rather than a blunt tee) which helps maintain better hydraulic flow performance. FlipHTML5 Double Socket Design: Both ends (main and branch) have sockets to accept pipes — enabling easier jointing and secure connections. Material: Durable PVC-U/uPVC, robust for underground sewer and drainage use. Colour: Terracotta (standard for underground drainage fittings). Standards: Typically manufactured to comply with BS EN 1401-1 (British/European standard for PVC-U sewer pipe systems), though you should verify the actual part’s certification for adoptable sewer use. Application: Ideal for use in gravity drainage systems (sewers, surface water, site drainage) where a branch off a larger main line at 45 degrees is required.

Brett Martin 30º Single Socket Bend

The Brett Martin 30º Single Socket Bend is a high-quality soil and waste fitting designed to provide a controlled change of direction in above-ground pipework. Manufactured from strong, impact-resistant PVC-U, this bend delivers long-lasting durability and excellent resistance to corrosion and everyday wear.   Its 30º angled design ensures smooth flow performance while enabling precise layout adjustments in domestic, commercial, and industrial installations. The single-socket configuration includes a factory-fitted elastomeric seal, offering a secure, watertight joint and quick, reliable installation with Brett Martin soil systems.

Brett Martin - 15º Single Socket Bend

The Brett Martin 15º Single Socket Bend is a precision-moulded soil and waste system fitting designed to provide a gentle change of direction within above-ground pipework. Manufactured from high-quality, impact-resistant PVC-U, this bend offers long-lasting durability and excellent resistance to corrosion and chemical wear.   Its 15º angle allows for subtle directional adjustment while maintaining smooth, efficient flow through the system. The single-socket design features an integrated rubber seal, ensuring a secure, watertight joint and quick, hassle-free installation.

Brett Martin 110mm 45º Double Socket Branch

The 110mm 45º Double Socket Branch (B25110/B31250) is designed for efficient and reliable drainage and sewage connections. Constructed from high-quality, durable PVC material, it ensures long-lasting performance, corrosion resistance, and ease of installation.

Brett Martin 110mm 45º Double Socket Branch

The 110mm 45º Double Socket Branch is a precision-engineered drainage fitting designed to create a smooth 45º diversion in underground pipework systems. Made from high-quality PVC-U, it offers long-lasting durability, excellent chemical resistance, and reliable performance in both domestic and commercial drainage applications.   The double socket design ensures secure, watertight connections on both the main run and the branch line, while the 45º angle provides efficient flow, reducing the risk of blockages and maintaining system integrity. Pre-fitted elastomeric seals simplify installation, delivering a fast and leak-free joint with compatible Brett Martin underground drainage pipes.

Brett Martin 87 1/2º Single Socket Bend

The Brett Martin 87½º Single Socket Bend is a high-performance underground drainage fitting designed to create a near-vertical change of direction within pipework systems. Manufactured from strong, durable PVC-U, this bend offers excellent resistance to impact, chemicals and long-term underground conditions.   The precision-engineered 87½º angle ensures efficient flow while maintaining system integrity in tight layout configurations. Its single-socket design features a factory-fitted elastomeric seal, delivering a secure, watertight connection and easy installation with Brett Martin underground drainage pipes.

Brett Martin 45º Single Socket Bend

The Brett Martin 45º Single Socket Bend is a high-quality underground drainage fitting designed to deliver a smooth and reliable change of direction within pipework systems. Manufactured from durable PVC-U, this bend offers excellent structural strength and long-term resistance to chemical and environmental factors. Its precision-moulded 45º angle provides efficient directional adjustment while maintaining optimum flow performance. The single-socket design includes a secure, factory-fitted elastomeric seal, ensuring quick installation and a watertight joint with Brett Martin underground drainage pipes.

Brett Martin 200x200mm 87 1/2º Double Socket Branch

The Brett Martin B20208 is a 200 mm × 200 mm double socket branch used in underground drainage systems. It’s a PVC fitting designed to join three pipes in drainage layouts where a branch connection is needed. The double socket branch typically has two in‑line sockets and one branch socket, making it suitable for directing flow from one pipe into a main run of two parallel pipes or similar configurations. Typical Use   Application: Part of an underground sewer or surface water drainage system. Function: Connects pipes of the same diameter (200 mm) with a branch outlet for another pipe of the same diameter. Material: Usually made from durable PVC plastic (common for Brett Martin underground drainage products). Standard Fitting: Likely complies with industry standards for underground drainage fittings.

Brett Martin 200mm 45º Double Socket Branch

Brett Martin 200mm x 160mm 87 1/2º Double Socket Branch

Brett Martin 200 mm × 160 mm Double Socket Branch, 87.5° (Underground PVC-U Sewer / Drainage Fitting) Key Details:   Manufacturer: Brett Martin (UK supplier of plumbing & drainage systems) Code/SKU: B20168 Type: Underground sewer/drain branch fitting, reducing junction (double socket branch) Dimensions: • 200 mm (8 inch) main pipe diameter • 160 mm (6 inch) branch diameter Angle: 87.5° branch junction Material: uPVC (unplasticized polyvinyl chloride) Features: • Double socket for easy join-in-place connections • Lightweight and easy to install • Typically kite-marked for quality/standard compliance  Use: Designed for underground drainage and sewer systems to connect a 160 mm branch into a 200 mm main run at ~87.5°

Brett Martin 160mm 45º Double Socket Branch

The 160mm 45º Double Socket Branch is a high-quality drainage fitting designed for underground pipework systems, providing a reliable method to divert flow at a 45º angle. Manufactured from robust PVC-U, it delivers long-lasting durability, excellent chemical resistance, and reliable performance in domestic, commercial, and industrial drainage applications.   The double socket design allows secure connections on both the main run and the branch line, while the 45º angle ensures smooth flow transition, reducing turbulence and the risk of blockages. Pre-fitted elastomeric seals provide a watertight joint and facilitate quick, easy installation with Brett Martin underground drainage pipes.

Brett Martin Socket Plug

The Brett Martin Socket Plug is a plumbing / drainage component designed to cap or terminate the end of a waste or soil pipe — effectively “plugging” a socket so the pipe run is sealed. It’s available in a range of diameters (commonly 110mm to 400 mm. It forms part of the broader drainage / waste-pipe system by Brett Martin, compatible with their push-fit soil/waste systems

Brett Martin 250mm x 110mm 87 1/2º Double Socket Branch

The Brett Martin B20118 is a 200 mm × 110 mm × 87 ½° Double Socket Branch fitting manufactured from PVC and designed for use in underground sewer and drainage systems. It enables a branch connection between pipes of different diameters, where the main 200 mm sewer line continues straight and a 110 mm line branches off at an angle of 87½°. This is a PVC-U double socket branch fitting used in underground sewerage and drainage systems. It connects a main pipeline to a branch pipeline:   Main pipe size: 200 mm diameter Branch pipe size: 110 mm diameter Branch angle: 87½° (approx 87.5°) Such branches are used where a smaller pipe line splits off from a larger main sewer or drain.  

Brett Martin 30º Single Socket Bend

The Brett Martin 30º Single Socket Bend is a durable and high-performance drainage fitting designed to provide a smooth change of direction within underground pipework systems. Manufactured from robust, high-quality PVC-U, this bend delivers long-lasting reliability and excellent resistance to chemical and environmental wear. Suitable for both residential and commercial drainage applications, the fitting features a secure single-socket design with an integrated rubber seal, ensuring a watertight connection and easy installation. The 30º bend angle allows for precise layout adjustments while maintaining optimal flow efficiency within the drainage network.

Brett Martin Double Socket PVC (BS) Coupler

Brett Martin Double Socket PVC (Slip) Coupler

It’s a double‑socket slip coupler manufactured by Brett Martin, designed to join two lengths of PVC underground drainage pipe in a straight run. The slip design (i.e. no central stop) allows the coupler to slide along plain‑ended pipes to be positioned precisely before final alignment, which is useful when installing or repositioning pipes. It comes with push‑fit (ring‑seal / compression‑seal) sockets at both ends, which creates a tight, leak‑resistant joint once the pipes are inserted.

Brett Martin 45º Long Radius Single Socket Bend

Brett Martin Salt Glaze Spigot Adapter

Brett Martin Salt Glaze Socket Adapter

The Brett Martin Salt Glaze Socket Adaptor is designed to connect modern PVC-U underground drainage systems to traditional salt-glazed or clay pipes. This adaptor ensures a secure and leak-free transition between differing pipe materials, accommodating the integration of new drainage installations with existing systems. Key Features: Compatibility: Suitable for use with 110mm and 160mm diameter underground drainage pipes, facilitating connections to corresponding sizes of salt-glazed or clay pipes.   Durable Construction: Manufactured from high-quality materials, the adaptor is built to withstand the rigors of underground environments, ensuring long-term performance.   Easy Installation: Designed for quick and straightforward installation, the adaptor simplifies the process of joining different pipe materials, saving time and labor.   Standards Compliance: Meets stringent quality standards, including BS EN 1401 and BS EN 13476-2 certifications, ensuring reliability and compatibility within drainage systems.   Available Sizes:   110mm (4-inch): Ideal for standard domestic drainage applications. 160mm (6-inch): Suitable for larger capacity requirements, often in commercial or industrial settings

Brett Martin - Screw Access Cover

Brett Martin Double Socket PVC (BS) Coupler

This is a double‑socket PVC coupler made by Brett Martin. It’s used to join two plain‑ended underground drainage pipes together in a straight line. The “BS” designation refers to its compliance with relevant British / European standards for underground drainage systems (specifically the system standard BS EN 1401-1)

Brett Martin - Spare Socket Plug

The Brett Martin B5000 and B5100 are spare socket plugs designed to seal unused inlets on Brett Martin's Shallow Access Chambers, ensuring a secure and tidy installation. The B5000 is suitable for 110mm outlets, while the B5100 is designed for 160mm outlets. These plugs are manufactured from durable materials, providing a reliable seal to prevent debris ingress and maintain the integrity of your drainage system. Installation is straightforward, facilitating easy maintenance of your underground drainage system. Both plugs comply with Building Regulations Part H1, ensuring they meet necessary standards for drainage installations.

Brett Martin - Universal Adapter (Pipe)

The Brett Martin Universal Adapter B4801 is a versatile and reliable plumbing fitting designed to connect pipes of different sizes or types. It ensures a secure, leak-free junction, simplifying installation and maintenance in both domestic and commercial drainage systems. Constructed from high-quality, durable PVC, the Brett Martin Universal Adapter B4801 provides long-lasting performance in soil, waste, and rainwater applications. Its adaptable design allows for smooth connections between multiple pipe diameters, reducing the need for additional fittings and ensuring efficient flow. Ideal for modern plumbing systems, it delivers a professional, secure, and reliable solution for connecting varying pipework.

Brett Martin 6m BS Blown Socket Perforated Pipe

Brett Martin 90 Degree 3/4 Section Right Hand Channel Branch Bend

Brett Martin 30 Degree 3/4 Section Right Hand Channel Branch Bend

Brett Martin 87.5° Long Radius Plain End Channel Bend

The Brett Martin 87.5° Long Radius Plain End Channel Bend is a type of pipe or duct bend used in industrial and construction applications. Here’s a detailed description: Type: Channel Bend Angle: 87.5° Radius: Long Radius (This indicates that the bend has a longer curve, allowing for a smoother flow of material or fluid through the pipe.) Plain End: The pipe has a plain, smooth end, meaning it is not threaded or flanged, and can be easily joined to other pipe sections using standard methods like welding, gluing, or coupling. Material: Typically made from high-quality materials like PVC, CPVC, or other durable industrial-grade plastics, but may vary depending on the specific product. Application: Designed for use in drainage, plumbing, or ventilation systems, the long radius helps minimize resistance and turbulence in the flow of air, water, or other substances. It’s commonly used in situations requiring minimal friction loss and smooth transitions.   This product is ideal for installations where space constraints, smooth flow, and ease of connection are important factors.

Brett Martin 2m Plain Ended Underground Channel Pipe

Key Features & Benefits: Superior Flow Hydraulics: Smooth internal bore prevents snagging and debris buildup in manhole bases. Durable PVCu Construction: Resistant to chemical attack, impact, and ground movement. Easy Installation: Lightweight 2m length is easy to cut to exact chamber dimensions on-site. Compliance: Manufactured by Brett Martin in accordance with relevant UK underground drainage standards. Versatile Options: Available in both 110mm (4") and 160mm (6") nominal diameters.

Brett Martin 1.5m Plain End Channel Pipe

Key Features & Benefits: Durable PVCu Construction: Corrosion-resistant material built to withstand chemical exposure and harsh soil conditions. Optimized Flow Dynamics: Smooth interior finish prevents buildup of debris and sediment. Versatile Application: Ideal for inline channel laying inside masonry or plastic inspection chambers. Standard Compliance: Fully compliant with relevant UK building regulations for underground drainage.

Brett Martin 92 1/2 Degree Double Socket Access Branch

The 92 1/2 Degree Double Socket Access Branch BS447 is a high-quality plumbing fitting designed for use in underground drainage systems. This branch fitting allows for smooth directional changes in pipework while maintaining easy access for maintenance and cleaning. Key Features: Angle: 92 1/2 degrees, ensuring efficient flow and connectivity. Double Socket: Provides secure and leak-proof connections on both ends. Access Point: Integrated access for easy inspection, cleaning, and maintenance. Material: Manufactured from durable, high-strength plastic, typically UPVC, for long-lasting performance. Compliance: Meets BS447 standards for quality and reliability in drainage applications. Application: Suitable for underground drainage systems in residential, commercial, and industrial projects. Size Variants: Available in different diameters to fit standard pipe sizes. This branch fitting is ideal for use in gravity-fed drainage systems, providing excellent performance in managing wastewater and stormwater efficiently.

Brett Martin 92 1/2 Degree Triple Sw Socket Branch Without Bosses

Key Features & Technical Benefits Solvent Weld Joints: Features three precision-molded solvent weld sockets for permanent, chemical-weld seals across all connecting pipes. Bossless Profile: Clean design without additional boss connection points, perfect for simplified soil stack runs. Optimal Flow Angle: 92.5° drop ensures efficient waste flow while maintaining sufficient gradient in soil systems to meet building regulations. Durable Construction: Manufactured by Brett Martin from robust, lightweight uPVC to resist impact, corrosion, and common domestic effluent chemicals. Compliance: Fully compliant with relevant BS EN standards for soil and waste discharge systems.

Brett Martin 110mm Double Socket Solvent Weld Access Pipe

Key Features: Convenient Inspection Access: Features a airtight twist-and-lock access cap for easy maintenance and rodding. Double Socket Design: Joins two 110mm pipes via permanent solvent cement welding. Durable PVCu Construction: Tough, lightweight, and weather-resistant. Fully Compliant: Manufactured to BS EN 1329-1 for plastic piping systems. Wide Compatibility: Integrates with standard 110mm solvent weld waste and soil pipe systems.

Brett Martin 110mm Push-Fit Double Socket Slip Coupler

Key Features & Benefits: Easy Pipe Repairs: Designed without an internal stop so it slides freely along 110mm pipes for inline repair work. Push-Fit Mechanism: Integrates high-performance rubber seals for a fast, leak-free installation. Durable Construction: Made from weather- and impact-resistant uPVC for long service life. Universal Compatibility: Fits standard 110mm plastic soil, waste, and rainwater pipe systems. Industry Compliant: Manufactured in accordance with BS EN 1329 standards.

Brett Martin 135 Degree 110mm Double Socket Bend

Key Features & Benefits: Push-Fit Jointing: Double socket design allows for rapid tool-free assembly and secure seal integration. Durable PVCu: Corrosion-resistant material withstands chemical exposure and weathering. Universal Compatibility: Designed to fit standard 110mm push-fit soil systems complying with BS EN 1329 standards. Leak-Proof Seal: Factory-fitted rubber seals prevent waste seepage and odor escape. Low Maintenance: Smooth internal surface minimizes soil accumulation and blockages.

Brett Martin 110mm/82.4mm Air Admittance Valve

Key Features & Benefits Dual Compatibility: Connects to both standard 110mm soil pipes and 82.4mm push-fit systems. Odour Control: Automatically admits air under suction while keeping dangerous sewer gases contained inside the pipe. Easy Push-Fit Installation: Quick rubber ring-seal joint requires no solvent weld glue. Durable Construction: Made from high-grade PVCu built to withstand thermal expansion and domestic waste effluent. Compliance Ready: Designed for internal soil pipe applications to meet Building Regulations 

Brett Martin 110mm Push-Fit Soil 92.5º Triple Socket Double Branch

 The Brett Martin 110mm Push-Fit Soil 92.5º Triple Socket Double Branch BS490 is a high-quality, durable pipe fitting used in soil and waste systems. It is designed to allow for the connection of multiple soil pipes, offering a 92.5-degree angle to provide a slightly sloped junction for efficient drainage. Key Features: Material: Made from strong and lightweight uPVC (unplasticized polyvinyl chloride), which ensures longevity and resistance to corrosion. Push-Fit Design: The push-fit technology allows for easy installation without the need for glue or solvent cement, ensuring a quick, secure connection. Triple Socket: The fitting features three sockets, making it ideal for connecting two additional branches to a main soil stack or system. Angle: The 92.5º angle helps to create a smooth flow of waste or drainage water. Compliance: It conforms to British Standard BS 490, ensuring it meets industry requirements for performance and quality. This product is commonly used in residential, commercial, and industrial drainage systems where efficient, reliable, and easy-to-install solutions are needed for soil pipe connections.

Brett Martin 110mm Push-Fit Soil 92.5º Triple Socket Corner Branch

Key Features & Benefits: Triple Socket Design: Enables fast, secure push-fit connections on all three ports without solvent cement. Precise 92.5° Angle: Provides the exact pitch required for effective self-cleansing gravity flow in waste systems. Durable uPVC Construction: Lightweight, impact-resistant, and weather-proof for reliable long-term performance. Universal Compatibility: Fully compatible with standard 110mm (4-inch) push-fit soil systems conforming to BS EN 1329-1. Integrated Rubber Seals: Pre-fitted rubber ring gaskets provide a long-lasting, leak-free seal capable of accommodating thermal expansion.

Brett Martin 160mm X 50mm Strap On Boss

Brett Martin Bosses & Connectors

Brett Martin 160mm Push-Fit Soil Pipe Vent Cowl

Key Features & Benefits: Pest & Debris Barrier: Prevents bird nesting, rodent entry, and leaf buildup inside the stack. Push-Fit Dry Fix: Simple push-fit installation ensures a tight, reliable seal on 160mm pipework. High-Grade PVCu Build: Tough, weather-resistant plastic designed for outdoor roof-level exposure. System Compatibility: Fits standard 160mm soil systems and integrates with wider Brett Martin drainage ranges. Standard Compliant: Manufactured to BS EN 1329:2000 for peace of mind.

Brett Martin 160mm Industrial PVCu Downpipe Single Socket Access Pipe

The Brett Martin 160mm Industrial uPVC Single Socket Access Pipe BS629 is a durable and versatile pipe designed for use in industrial and commercial drainage systems. Made from high-quality uPVC (unplasticized polyvinyl chloride), this pipe is lightweight, resistant to corrosion, and capable of withstanding harsh conditions, making it ideal for both internal and external installations. The Brett Martin 160mm Industrial uPVC Single Socket Access Pipe is an excellent choice for projects requiring reliable drainage or fluid systems that will last over time.

Brett Martin 1 1/4"/32mm Rubber Waste Adaptor

Push-fit Soil 110mm Soil Range,32mm Push-Fit Waste Pipe & Fittings ,Ancillary Items

Brett Martin 1.5"/40mm Rubber Waste Adaptor

Brett Martin Waste Adaptors

Brett Martin 2"/50mm Rubber Waste Adaptor

Brett Martin Waste Adaptors

Brett Martin 110mm Soil Pipe To 160mm Drain Connector

Key Features Summary Seamless Pipe Adaptation: Efficiently transitions a standard 110mm soil or waste pipe into a larger 160mm main underground drainage system. Level Invert Design: Keeps the bottom (invert) of both pipes at the same level to maintain consistent gravity flow and prevent sediment build-up. Push-Fit / Solvent Weld Compatibility: Fits directly into a 160mm ring-seal socket or spigot end while accepting standard 110mm plastic soil pipe. Durable uPVC Construction: Manufactured from high-grade, impact-resistant terracotta uPVC built to withstand ground pressure and chemical exposure. Fully Certified: Manufactured in the UK to BS EN 1401 standards for underground gravity drainage and BS EN 1329 for soil and waste systems.   Frequently Asked Questions (FAQ) What does "level invert" mean, and why is it important for drainage? A level invert adaptor is designed so the inside bottom surfaces of both the smaller (110mm) and larger (160mm) pipes sit flush with each other. This prevents water from "dropping" or pooling at the step-up point, ensuring smooth, uninterrupted flow and reducing the risk of solid waste settling and causing blockages. How do I install the Brett Martin BS423 connector? The 160mm end inserts directly into a standard 160mm ring seal socket or fitting using pipe lubricant. The 110mm socket end receives your incoming 110mm soil pipe. Ensure the offset/flat side of the adaptor is positioned at the bottom to keep the pipe inverts aligned correctly.

Brett Martin 110mm Double Solvent Weld Short Boss Pipe

Key Features Summary Dual Boss Connections: Features two opposite boss entry sockets, allowing two separate waste runs (such as basins, baths, or appliances) to tie into a main 110mm soil stack at a single point. Solvent Weld Jointing: Offers a sleek, permanent, and leak-proof solvent weld connection on both ends for maximum long-term reliability. Compact Short Design: Engineered with a shortened barrel length to save valuable space in tight soil stack installations, boxed-in pipe runs, and floor voids. High-Quality PVC-U Construction: Manufactured from durable, high-impact PVC-U designed to withstand hot water discharge and household chemicals. Fully Compliant: Manufactured in the UK to BS EN 1329 standards, ensuring full compatibility with standard 110mm soil systems.   Frequently Asked Questions (FAQ) What adaptors do I need to connect waste pipes to the BS425 boss? To connect a waste pipe, drill out the closed face inside the boss entry with a suitable hole saw, then insert a standard 110mm solvent weld rubber or rigid boss adaptor (available for 32mm, 40mm, or 50mm pipe sizes). Can I use solvent weld cement on this fitting? Yes. The BS425 is designed for solvent weld installation. Clean both the pipe exterior and the inside socket of the fitting using a suitable pipe cleaner, apply solvent cement evenly to both surfaces, and push together for an immediate, permanent bond. Is this fitting compatible with other brands of 110mm soil pipe? Yes, provided the existing pipe system is manufactured to standard UK dimensions (BS EN 1329 / BS EN 1401 for 110mm soil and underground drainage), the Brett Martin BS425 will connect seamlessly.

Brett Martin 110mm Vent Cowl

Key Features Summary Essential Drainage Ventilation: Allows foul air and sewer gases to safely discharge from the top of the 110mm soil stack while balancing system pressure. Protects Against Blockages: Shielded cap design stops leaves, debris, nesting birds, and rainwater from entering and clogging the pipework. Quick Push-Fit Installation: Features a dry-fix push-fit connection for simple, tool-free fitting onto standard 110mm (4") soil pipes. Weather & UV Resistant: Constructed from durable, high-grade plastic engineered to withstand UK weather conditions without fading or degrading. Full System Compatibility: Fully compliant with BS EN 1329 standards and compatible with other leading UK 110mm above-ground drainage systems.   Frequently Asked Questions (FAQ) What does a 110mm soil vent cowl do? A soil vent cowl sits at the top of a 110mm soil stack above the roofline. It allows trapped sewer gases to escape and admits fresh air to balance pressure, which stops water traps in toilets and sinks from being siphoned out. Simultaneously, it keeps debris, rain, and animals out of the pipe. How is the Brett Martin BS427 vent cowl installed? The cowl features a dry-fix push-fit connection. Simply ensure the end of your 110mm soil pipe is clean and smooth, then push the cowl firmly onto the top of the pipe until it seats tightly. No solvent cement or specialist tools are required. Will this cowl fit other brands of 110mm soil pipe? Yes. The Brett Martin BS427 is manufactured to BS EN 1329 standards, meaning it is universally compatible with standard 110mm (4-inch) plastic soil pipes from other UK manufacturers.  

Brett Martin 110mm PVCu Soil Pipe Weathering Slate - Grey

Key Benefits & Features: Weathertight Roof Protection: Provides a reliable seal preventing water running down the external wall of the soil vent pipe into the building envelope. Durable PVCu & Synthetic Rubber Seal: Constructed from high-impact uPVC with a flexible elastomer cone for longevity and UV protection. Universal 110mm Fit: Works with standard 110mm (4-inch) PVCu soil pipes, vent pipes, and air admittance valves. Low Maintenance & Lightweight: Easy to dress into surrounding roof tiles or slates without requiring specialized lead tools. Kitemarked Quality: Manufactured by Brett Martin in compliance with British Standards for domestic and commercial soil systems.

Brett Martin 110mm Push-Fit Soil 6m Single Socket Pipe

The Brett Martin 110mm Push-Fit Soil 6m Single Socket Pipe BS430 is a high-quality, durable pipe designed for use in soil and waste systems. It has the following key features: Size and Length: The pipe has a diameter of 110mm and a length of 6 meters, making it suitable for medium to large installations. Push-Fit Technology: The push-fit system allows for easy and quick installation without the need for adhesives, providing a secure and leak-proof connection. Material and Durability: Made from robust PVC, this pipe is resistant to corrosion and is ideal for use in underground soil and waste systems. BS430 Compliance: The pipe complies with the British Standard BS430, ensuring it meets the required quality and performance standards for plumbing systems. Single Socket Design: The pipe features a single socket at one end, which allows for a secure connection to other pipes or fittings. Applications: It is primarily used for residential and commercial soil and waste drainage systems, including underground installations.   This product is designed to ensure reliability, longevity, and ease of installation in a variety of plumbing applications.

Brett Martin 110mm Single Socket Pipe Connector

Key Features & Benefits: Tool-Free Installation: Push-fit dry-fix jointing system for speed and convenience on site. Watertight Seal: Features high-grade elastomeric seals retained by strong snap caps to prevent leaks. Universal Compatibility: Fully compatible with standard 110mm above-ground drainage and soil systems. Weather & UV Resistant: Tough PVCu construction resists UV degradation and chemical attack. Standards Compliant: Manufactured in accordance with BS EN 1329-1 for guaranteed quality.

Brett Martin 110m To 149m A C Gutter Outlet

 

Brett Martin PVCU To Cast Iron & Salt Glaze Drain Connector

Key Features & Performance Benefits: Legacy-to-Modern Transition: Bridges 110mm plastic soil systems directly into traditional cast iron sockets or salt-glazed clay pipes. Push-Fit Installation: Features a dry-fix seal for rapid, tool-free fitting that stays flexible to absorb slight ground movement. Universal Compatibility: Designed for Brett Martin soil systems and cross-compatible with other standard 110mm plastic systems. Durable Construction: Impact and weather-resistant plastic built for long service life underground or at soil stack bases. Kitemarked Quality: Manufactured in compliance with BS EN 1329:2000 standards.

Brett Martin 92 1/2 Degree Single Socket Access Bend

Key Features & Benefits: Convenient Inspection Point: Features a secure, removable access cap for clearing debris and conducting maintenance drain rods. Quick Push-Fit Installation: Elastomeric ring seals ensure a durable, watertight joint without solvent welding. Universal Compatibility: Fits standard 110mm plastic soil systems across domestic and commercial projects. Durable uPVC Construction: Impact-resistant, chemical-resistant, and weather-proof for long-term performance. 92.5° Angle: Provides a precise directional change for vertical soil stack connections and offset layouts.

Brett Martin 110mm Single Fixing Pipe Bracket

Key Features & Benefits Certified to British Standards: Fully conforms to BS EN 1329-1:2000, ensuring complete regulatory compliance for domestic and commercial drainage projects. Universal System Compatibility: Designed for seamless integration with Brett Martin push-fit soil, waste, and underground drainage networks, as well as any other standard 110mm above-ground plastic drainage system. Weatherproof uPVC Build: Manufactured from lightweight, high-impact plastic that resists UV degradation, cracking, and thermal movement. Single-Fix Efficiency: Simplifies on-site handling with a single central fixing anchor, perfect for fast-paced commercial installations and tight structural spaces. Versatile Application: Ideal for securing 110mm soil stacks, multi-storey waste pipes, and heavy-duty industrial rainwater downpipe schemes

Brett Martin 110mm Socket Plug

Key Features & Benefits: Leak-Proof Seal: Designed to cap off 110mm push-fit sockets securely during installation or testing. Easy Installation: Dry-fix push-fit connection allows for quick, tool-free fitting and maintenance access. Durable Construction: Made from high-grade PVCu to withstand impact, weather, and chemical exposure. UV Resistant: Built for long-term outdoor performance without warping or fading. Standard Compatibility: Fully compatible with Brett Martin and all standard UK 110mm push-fit soil systems conforming to BS EN 1329.

Brett Martin 110mm x 50mm Soil Reduce

Key Features & Benefits: Direct System Integration: Reduces a standard 110mm soil line down to accept 50mm solvent waste pipework. Leak-Proof Rubber Seal: Features an integral rubber ring that forms a tight, secure seal around 50mm pipe runs. Durable Construction: Built from robust PVC-U that resists impact, chemical corrosion, and temperature variation. Standards Compliant: Fully tested and compliant with UK building regulations for domestic and commercial soil systems. Simple Push-Fit Base: Inserts smoothly into 110mm soil sockets using standard pipe lubricant.

Brett Martin 110mm x 50mm Soil Pipe Level Invert Reducer / Rubber Boss Adaptor

Key Features: Tool-Free Installation: Push-fit rubber seal ring allows fast, secure fitting directly into a 110mm soil socket or boss. Leak-Proof Performance: Durable captive rubber seal compensates for thermal expansion and movement while maintaining a tight joint. High Chemical Resistance: Built from heavy-duty uPVC suited for domestic and light commercial soil and waste systems. Product Code: BS442   Plumbing Tip: Use silicone pipe lubricant on the male end of the 50mm waste pipe to ensure a smooth insertion through the rubber seal ring without dislodging or tearing the gasket.  

Brett Martin Kitemark Pipe BS548 6M Single socket

Key Features & Benefits Easy, secure jointing: The single socket end comes with a lip / ring (and compression) seal, providing a watertight joint that’s also resistant to dislodgement. Durable and long‑lasting: PVC‑U construction resists corrosion, environmental degradation, and handles underground loads (thanks to SN8 rating). Lightweight yet strong: Easier to handle on site than heavier materials (e.g. concrete), but with sufficient strength for underground drainage applications. Versatile for drainage use: Suitable for underground drainage systems — both for waste sewerage and surface water drainage depending on the system design and associated fittings. Part of a full drainage system: Works within a broader range of fittings, bends, couplers, branches, plugs etc — all from Brett Martin’s underground drainage catalogue.

Brett Martin Single Socket Level Invert Reducer (400mm x 315mm)

Key Features & Benefits Maintain Straight Invert Lines: The level invert configuration (also known as an eccentric reducer) ensures the bottom of the pipeline remains entirely flat, preventing sediment build-up and keeping water flowing efficiently. Secure Captive Seal Technology: Features an advanced single-socket design with an integrated lip seal.This structural ring guarantees a completely watertight joint that effectively resists ground shifting, soil pressure, and root intrusion. Industrial-Grade PVC-U Built: Manufactured using heavy-duty unplasticised PVC, delivering exceptional resistance to underground chemicals, impact damage, and long-term environmental degradation. Fully Certified & Kitemarked: Rigorously tested and fully compliant with BS EN 1401-1 (or historical standard BS 5481), carrying the recognized safety Kitemark for absolute peace of mind during building inspections. Installer-Friendly Handling: Combining high structural integrity with a lightweight profile (approx. 1.5kg), this fitting is remarkably easy to position, adjust, and joint on-site.

Brett Martin 0-90° Adjustable Double Socket Bend 110mm

Simplify complex underground pipe layouts with the Brett Martin 110mm Adjustable Double Socket Bend (B4029).Specially engineered for ultimate flexibility on-site, this durable PVC-U fitting twists smoothly to achieve any exact angle from 0° up to 90°, eliminating the need for multiple rigid bends and ensuring a precise, leak-free installation every time. Features & Benefits 0° to 90° Continuously Adjustable Range: Twist to the precise angle needed—ideal for bypassing unanticipated roots, foundations, or existing utilities. Captive Lip Seal Design: Advanced elastomeric seals are locked in place, preventing accidental dislodgement during assembly and guaranteeing a leak-free run. Double Socket Connections: Accepts standard plain-ended 110mm (4-inch) drainage pipes on both sides for maximum application flexibility. Industrial-Grade Durability: Heavy-duty PVC-U construction resists corrosion, impact, and chemical degradation. Fully Certified Quality: Proudly manufactured in the UK under ISO 9001 quality management and certified to BS EN 1401-1 / BS EN 13476-2 compliance.

Brett Martin 45° double socket bend 110mm

Key Features & Benefits High-Performance Flow: A precise 45-degree angle ensures smooth liquid transit, drastically reducing the risk of blockages compared to sharper angles. Captive Seal Technology: Engineered with built-in captive rubber seals that resist dislodgement under high insertion forces for hassle-free push-fit connections. Double-Socket Flexibility: Receives standard 110mm (4-inch) underground drainage pipes at both ends, making it incredibly versatile for both new builds and repair work. Kitemarked Quality: Manufactured under strict ISO 9001:2015 quality systems and fully certified to BS EN 1401-1 standards for ultimate peace of mind. Durable PVC-U Construction: Naturally resistant to chemical degradation, soil acidity, and temperature variances typical of underground environments.

Brett Martin 110mm 45° Triple Socket Branch

Create secure, leak-free intersections in your underground drainage systems with the Brett Martin 110mm 45° Triple Socket Branch (B4091).Also widely referred to as a "Y junction" or "triple socket drainage branch," this heavy-duty fitting allows you to seamlessly connect three standard 110mm drainage runs at a precise 45-degree angle to optimize wastewater flow. Key Features & Benefits Optimized Flow Dynamics: The 45° swept configuration allows foul water or surface runoff to enter main lines smoothly, minimizing the risk of turbulence and solid build-ups. Captive Seal Technology: All three sockets come fitted with non-dislodgeable, co-moulded seals to ensure 100% watertight integrity over an extended operational life. High Impact Resistance: Constructed from premium PVC-U to withstand physical impacts during backfilling and heavy-duty ground conditions. Certified Quality Assured: Kitemarked to BS EN 1401-1 or BS EN 13476-2 and manufactured under an ISO 9001:2015 certified quality framework. Universal Compatibility: Seamlessly integrates with standard 110mm solid-wall PVC-U underground drainage pipes.

Brett Martin 87.5° Degree 2 Way Rest Bend (long radius) 110mm

Key Features & Benefits Optimized Flow Dynamics: The 87.5° sweeping long radius ensures exceptionally smooth waste transitions, lowering the risk of backflow or sediment build-up compared to standard short bends. Advanced Captive Lip Seal: Specially engineered combined lip and compression seals guarantee a water-tight fit that stays locked in place during pipe insertion, entirely eliminating seal displacement. Two-Way "Rest" Design: Built structurally to handle load-bearing transitions, making it ideal for support at the bottom of a vertical vertical drop before moving to horizontal underground lines. Exceptional Durability: Manufactured in the UK from high-grade, impact-resistant PVC-U to resist ground movement, thermal changes, and soil chemicals. Full Compliance: Kitemarked and fully certified to BS EN 1401-1 and manufactured under ISO 9001:2015 quality management.

Brett Martin 110mm Adjustable Single Socket Bend 0-30°

Key Features & Benefits 0-30° Adjustable Angle: Smoothly rotates to provide custom angles between 0° and 30°, solving offset alignment issues with ease. Captive Seal Technology: Secure lip/compression seal prevents dislodgement during installation and guarantees long-term watertight integrity. Durable PVC Construction: Highly resistant to corrosion, domestic chemicals, and physical impacts. Smooth Internal Bore: Optimizes hydraulic performance to prevent debris build-up and drainage blockages. UK Standards Approved: Manufactured in the UK to BS EN 1401-1 quality standards.

Brett Martin 67.5º Single Socket Bend 110mm

Key Features & Benefits Precision Angle (67.5°): Ideal for routing around obstacles and directing rainwater downpipes into underground drainage without risking blockages caused by tighter knuckle bends. Captive Lip-Seal Technology: Features a resilient elastomeric ring engineered to stay in place during push-fit insertion, ensuring a leak-resistant seal for decades. Pre-Chamfered Spigot: Smooth single-socket and spigot connection allows for fast, tool-free push-fit alignment on-site. Robust PVC-U Construction: Lightweight yet tough terracotta finish designed to withstand ground movement, soil chemicals, and heavy traffic loads. Kitemarked Quality Standards: Manufactured in the UK to BS EN 1401-1 and ISO 9001 quality management standards.

Brett Martin 22.5º Single Socket Bend 110mm

Key Features & Benefits Precise 22.5° Angle: Ideal for minor directional shifts and shallow pipe alignment without restricting wastewater velocity. Captive Seal Technology: Features an integrated rubber ring seal that prevents displacement during jointing, ensuring a watertight seal every time. High-Impact PVC-U Construction: Lightweight, durable, and chemically resistant to common domestic and commercial effluent. Universal 110mm Compatibility: Seamlessly connects to all standard UK 110mm / 4-inch underground drainage pipework and fittings. Kitemarked & Approved: Fully certified to BS EN 1401-1 and manufactured under ISO 9001 quality management standards.  

Brett Martin 45º Double Socket Branch 110mm

Key Features & Benefits: Seamless Flow: The 45° angle provides smooth waste diversion, reducing friction and preventing debris backup. Push-Fit Convenience: Captive rubber seals ensure an airtight, leak-proof seal that holds under ground pressure. Durable Construction: Made from corrosion-free uPVC suited for subterranean environments. Universal Compatibility: Fully compliant with BS EN 1401-1 standards, ensuring seamless compatibility with standard 110mm UK underground drainage systems.

Brett Martin 22 1/2º Long Radius Single Socket Bend 110mm

Key Features & Benefits Smooth Hydraulic Flow: The 22.5° long radius sweep ensures a gentle change of direction, keeping waste moving freely and preventing debris build-up. Single Push-Fit Socket: Comes equipped with a pre-fitted captive rubber seal for fast, reliable, leak-free push-fit connections to standard 110mm underground pipework. Durable uPVC Construction: Manufactured from impact-resistant, lightweight unplasticised polyvinyl chloride that resists chemical corrosion and soil settlement. Standard Compatibility: Seamlessly integrates with all standard 110mm / 4-inch UK underground drainage systems conforming to BS EN 1401-1. Kitemarked Assurance: Manufactured under strict BS EN ISO 9001 quality standards for total peace of mind on commercial or domestic sites.

Brett Martin 6m Bs Blown Socket Perforated Pipe 160mm

Key Features & Benefits Integral Blown Socket: Enables direct, push-fit connection to the next pipe length, reducing installation time and the need for external couplers. Effective Sub-Surface Drainage: Uniformly perforated along its length to absorb excess groundwater, preventing surface water pooling and soil waterlogging. Lightweight & Durable PVCu: High impact resistance ensures long operational life underground while remaining easy to handle and align on-site. BS EN 1401 Compliant: Kitemarked for quality assurance, meeting strict UK building regulations and industry standards.   Terracotta Finish: Standard underground drainage color coding for clear identification during installation and future groundworks.   Key Applications French Drains & Land Drainage: Collecting excess surface water from agricultural fields, gardens, and commercial grounds. Soakaway & Attenuation Feeds: Transporting captured surface water into distribution networks or infiltration systems. Retaining Wall Relief: Reducing hydrostatic pressure behind concrete or masonry retaining walls. Civil & Construction Sites: Ground dewatering during site prep and foundation works.  

Brett Martin 160mm Square Hinged Alloy Grid

Key Features & Benefits Hinged Maintenance Access: Built-in hinge allows fast opening for routine clearing without losing or dropping the grid. Resilient Alloy Build: Lightweight yet strong metal construction offers enhanced durability over plastic alternatives. Effective Filtration: Retains fallen leaves, gravel, and large debris while ensuring optimal water flow. Precision Fit: Designed specifically for Brett Martin 160mm square hopper tops and gully systems. Sleek Silver Finish: Provides a neat, professional appearance for patios, driveways, and service yards.

Brett Martin Single Socket Coupler 160mm

The Brett Martin B7011 is a high-quality 160mm Single Socket Coupler designed for underground drainage systems. It is primarily used to connect two 160mm PVC drainage pipes securely, ensuring a leak-proof and durable joint. Key Features & Benefits   Precise 160mm Fit: Specifically designed to join standard 160mm (6") PVC-U underground drainage pipes. Leak-Free Security: Features a high-performance integrated rubber lip seal for a secure, watertight joint. Tough PVC-U Construction: Built to withstand the harsh conditions of underground burial, offering outstanding impact resistance and durability. Industry Certified: Fully Kitemarked and manufactured in accordance with BS EN 1401-1 for certified quality. Easy Installation: Lightweight and easy to handle on-site, requiring only basic pipe lubricant for a swift push-fit connection. Classic Terracotta Finish: Colored in standard terracotta brown to easily identify underground drainage networks.

Brett Martin 67 1/2º Single Socket Bend 160mm

Key Features Summary  Precise 67.5° Directional Change: Designed for smooth directional shifts in 160mm main underground drainage pipelines without causing flow restriction. Single Push-Fit Socket: Features a spigot end on one side and a rubber ring-sealed socket on the other for fast, effortless connection to 160mm uPVC pipes. Leak-Proof Seal: Factory-fitted elastomeric ring seal ensures an airtight, watertight joint that accommodates subterranean movement and soil settlement. Durable uPVC Construction: Manufactured from heavy-duty terracotta uPVC to resist chemical attack, ground pressure, an physical impact. Full British Standards Compliance: Fully certified to BS EN 1401 for gravity foul water and surface drainage networks.   Frequently Asked Questions Do I need pipe lubricant to install the B7051 single socket bend? Yes, using a dedicated silicone pipe lubricant on the spigot end and the rubber ring seal is strongly recommended. Lubricant allows the pipe to slide smoothly into the socket without dislodging or damaging the seal, ensuring a completely watertight joint. What is the difference between a single socket bend and a double socket bend? A single socket bend (like the B7051) has one socket end with a rubber seal and one plain spigot end, allowing it to connect straight into another socketed pipe or fitting. A double socket bend has rubber ring-sealed sockets on both ends to connect two plain-ended pipes together.

Brett Martin 160mm x 110mm 45º Double Socket Branch

Key Features & Benefits Efficient Flow Direction: 45° branch angle directs flow smoothly into the main carrier pipe to help prevent blockages. Captive Seal Technology: Pre-fitted, fixed rubber ring seals prevent displacement during assembly, ensuring a reliable joint. Heavy-Duty PVC-U Construction: Lightweight yet tough material that resists cracking, chemical corrosion, and soil conditions. Double Socket Design: Socketed connection points allow push-fit assembly with plain-ended pipes. Kitemarked Quality: Fully compliant with UK building regulations and certified to BS EN 1401-1. Universal Fit: Connects with standard 160mm and 110mm plastic underground drainage pipes.

Brett Martin 160mm x 160mm x 45° D/S Branch

Key Features & Benefits Optimized 45° Swept Angle: Promotes smooth, unobstructed gravity flow into main drainage channels. Captive Ring Seal Technology: Prevents seal dislodgement during jointing, ensuring a reliable, watertight fit. Durable PVCu Construction: Tough, corrosion-resistant terracotta PVCu built to withstand ground forces and wastewater exposure. Double Socket Design: Push-fit sockets on the main line and branch entry make for rapid assembly with compatible 160mm plain-ended pipes. Kitemarked & Compliant: Fully certified to BS EN 1401 standards for peace of mind on regulated site builds.

Brett Martin 11 1/4° Single Socket Bend 160mm

Key Details & Specifications Brand: Brett Martin Product Code  B7181 Diameter: 160mm (6 inch) Angle: 11.25° Socket Type: Single Socket with integrated lip seal Material: Unplasticised Polyvinyl Chloride (PVC-U) Color: Terracotta / Underground Orange Standard: Fully certified to BS EN 1401-1 for underground drainage systems

Brett Martin 160mm Square Plastic Grid

Key Features & Benefits Debris Protection: Effectively filters out surface debris like gravel and leaves, ensuring smooth, uninterrupted water flow into your drainage system  Robust & Weatherproof Construction: Made from high-grade plastic that offers exceptional resistance to weathering, wear and tear, and common household/ground chemicals. Lightweight & Easy to Install: Simple to drop into an existing or new gully setup as a direct replacement, saving time on-site for both DIY enthusiasts and trade professionals. Pedestrian Rated: Strong enough to easily withstand typical pedestrian foot traffic, making it ideal for domestic walkways, patios, and residential landscaping. System Compatibility: Fully compatible with Brett Martin’s 110mm and 160mm underground drainage ranges, including their square hoppers (e.g., B1061) and road gullies.

Beatsons 1mtr Channel Drain inc Plastic Grating

The 1m Channel Drain DRA100 with plastic grating is a practical and durable solution for surface water management in domestic and commercial settings. Its lightweight plastic grating provides safe, slip-resistant coverage while effectively directing water away from paved areas. Constructed from high-quality, corrosion-resistant materials, this 1-meter channel drain is ideal for driveways, patios, car parks, and landscaped areas. The plastic grating ensures easy handling and installation while maintaining a secure, robust surface. Designed for efficient water flow and long-term performance, the DRA100 simplifies drainage solutions for both residential and commercial applications.

Beatsons 1mtr Channel Drain Inc Galvanised Grating

The 1m Channel Drain DRA099 with galvanised grating is a durable drainage solution designed to efficiently manage surface water in driveways, patios, car parks, and other outdoor areas. Its galvanised steel grating provides strength, durability, and a safe, slip-resistant surface. This 1-meter channel drain is constructed from high-quality, robust materials to withstand heavy loads and harsh outdoor conditions. The galvanised grating ensures longevity and resistance to corrosion, while the channel efficiently collects and diverts surface water away from critical areas. Ideal for domestic, commercial, and industrial applications, it simplifies surface water management and provides a professional, reliable drainage solution.

Brett Martin Back Inlet Roddable Gully 90º Outlet 110mm - Rectangular Grid

Key Features Summary  Easy Roddable Maintenance: Equipped with a removable internal trap, allowing direct access to the drainage system for quick clearing and rodding. Integrated Back Inlet: Features an easily knockout/formed back inlet connection to take waste from rainwater downpipes or ground-floor appliances without extra fittings. 90° Horizontal Outlet: Connects directly into standard 110mm underground drainage pipework at a right angle. Removable Rectangular Grid: Includes a durable, black rectangular grid hopper (290mm x 207mm) that collects surface debris while allowing simple access. Built-in Odour Trap: Holds a water seal to stop foul sewer gases from escaping back up through the gully grid. Industry Certified: Manufactured in the UK to BS EN 1401 and BS EN 1329 standards for full compliance and peace of mind.   Frequently Asked Questions - What does "roddable gully" mean? A roddable gully contains an internal trap that can be removed or opened. This allows drainage rods or high-pressure jetting equipment to pass directly down the outlet pipe to clear blockages further down the line without needing an additional access chamber. - Can I raise the height of the rectangular grid if my paving is higher? Yes. If you need to adjust the grid to match finished ground levels (such as block paving or patio slabs), you can use a Brett Martin Gully Raising Piece (B1007) to extend the neck of the gully upwards. - What connects into the back inlet port?The back inlet can be opened up to receive a 110mm (or adapter-fitted 32mm/40mm/50mm) waste pipe from rainwater downpipes, sink wastes, or washing machine discharges.