Brett Martin 315mm Diameter Shallow Access Chamber Sealed PEDESTRIAN Lid

Key Features

• Airtight & Odour-Free: The integrated double-seal design prevents water ingress and successfully locks in unpleasant sewer odours.

• Easy Level Adjustments: Features a slightly adjustable height and tilt frame to ensure a perfectly flush finish with your finished ground level (paving, turf, or gravel).

• Simple Maintenance: Secures tightly with robust corrosion-resistant screws (tip: apply copper grease to the screws during installation for seamless future access!).

• Built to Last: Manufactured in the UK to ISO 9001:2015 quality standards, ensuring long-term structural integrity.

When managing residential drainage, the last thing you want is sewer gas escaping into your garden or rainwater flooding your inspection chambers. The Brett Martin B3153 315mm Shallow Access Chamber Sealed Pedestrian Lid offers a highly robust, professional-grade solution to finish your underground drainage system cleanly and securely.

Specifically engineered for pedestrian-only traffic zones—such as domestic lawns, patios, and garden pathways—this lid features a premium double-seal system.The airtight design ensures complete odour containment, making it safe and sanitary for areas close to your home.

The smart, square-to-round design features a 330mm x 330mm square surface lid that seamlessly aligns with outdoor paving, while seating perfectly onto standard 315mm round risers.

• Feature	Specification
  Manufacturer	Brett Martin
  Product Code / MPN	B3153
  Compatibility	Standard 315mm chamber bases (e.g., B3150) and risers (e.g., B3151)
  Overall Frame Dimensions	350mm x 350mm
  Lid Dimensions	330mm x 330mm
  Load Class	Pedestrian Use Only
  Material	High-strength, corrosion-resistant polymer composite
  Seal Type	Dual airtight rubber seals
  Compliance	Meets Building Regulations Part H1

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