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Quick Branch Connections: Enables convenient installation of a 50mm waste pipe branch directly into an existing 110mm soil stack without cutting out whole sections of pipe.
Durable PVCu Construction: Manufactured from lightweight, impact-resistant PVCu with built-in UV stability for long service life indoors and outdoors.
Universal System Compatibility: Designed to seamlessly integrate with Brett Martin push-fit soil/waste systems and standard 110mm soil pipes from other leading UK manufacturers.
Secure, Leak-Free Fit: The strap-on clamping mechanism firmly grips around the main 110mm pipe body, keeping connections tight and secure under standard drainage flow.
Fully Certified: Manufactured in compliance with BS EN 1329-1 standards for plastic piping systems for soil and discharge applications.
The Brett Martin 110mm x 50mm Strap On Boss (BS426) provides an efficient, space-saving solution for connecting branch pipework into a main drainage stack.Whether retrofitting a new bathroom, utility room, or commercial sanitary setup, this fitting allows installers to tie a standard 50mm waste line into a 110mm soil stack without needing to dismantle existing pipe runs.
Engineered with a curved body that wraps snugly around the 110mm main stack, the BS426 uses a mechanical strap design to hold the boss socket securely in place over a pre-drilled hole in the soil pipe. The 50mm socket branch accepts standard waste pipe inserts, creating an airtight and watertight path for wastewater discharge.
Manufactured in the UK by Brett Martin, this fitting is crafted from high-performance PVCu that resists UV degradation, household chemicals, and subterranean temperatures.It is suitable for both new build installations and domestic renovation work.
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Technical Specifications Table
Feature
Specification
Manufacturer
Brett Martin
Product Code
BS426 (BS426B / BS426G)
Main Pipe Size
110mm (4 Inch)
Branch/Socket Size
50mm
Material
PVCu
System Type
Push-Fit / Above-Ground Soil & Waste
Standards Met
BS EN 1329-1
Warranty
10-Year Manufacturer Guarantee
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