Grey 110 mm Soil Pipe Reducer + 50 mm Boss Adapter – Push‑Fit Waste Seal
Upgrade your drainage system with a reliable, easy‑to‑install kit that bridges the gap between large soil stacks and smaller waste pipes. The grey PVC‑U reducer fits snugly inside a 110 mm soil pipe, while the 50 mm boss adapter provides a secure push‑fit connection for solvent‑welded waste lines. Ideal for high‑temperature waste discharge, this kit meets BS EN 1329 B standards for durability and safety.
What’s inside
– 1 × 110 mm Soil Pipe Reducer
– 1 × 50 mm Boss Adapter
Key features
– Precision fit: Reducer internal diameter 106 mm (designed for 110 mm soil pipes) and overall diameter 122 mm.
– Versatile connections: Boss adapter accepts pipe sizes from 50 mm to 56 mm, with a fitting diameter of 60 mm and overall diameter of 68 mm.
– Robust material: Made from high‑grade PVC‑U, resistant to heat and chemical wear.
– Standard compliant: Conforms to BS EN 1329 B for reliable performance in residential and commercial installations.
– Easy installation: Push‑fit design eliminates the need for additional tools or adhesives, saving time on site.
Why choose this kit?
The combination of a sturdy soil pipe reducer and a compatible boss adapter ensures a leak‑free seal between the main stack and downstream waste lines. Whether you’re retrofitting an existing system or completing new construction, this grey PVC‑U kit delivers a clean, professional finish with minimal effort.
Keywords: soil pipe reducer, boss adapter, PVC-U waste seal, push‑fit pipe connector, high temperature waste discharge, 110 mm soil pipe, 50 mm waste pipe.





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