Brett Martin 110mm Universal Adaptor (Socket)

Key Features & Technical Specifications:

• Manufacturer: Brett Martin

• Product Code / MPN: B4901

• Socket Diameter: 110mm (4 inches)

• Material: uPVC with high-grade synthetic rubber seal

• Colour: Terracotta / Traditional Drainage Brown

• Pipe Compatibility: Accepts 110mm socketed underground fittings as well as universal waste and downpipe profiles (e.g., 68mm round, 65mm square).

• Standards & Certifications: Kitemarked to BS EN 1401-1 / BS EN 13476-2; Manufactured under ISO 9001:2015.

Engineered for seamless integration, the Brett Martin 110mm Universal Adaptor (Socket) B4901 is the reliable solution for connecting external above-ground waste and rainwater pipe systems into a standard 110mm underground drainage network.Whether you are routing downpipes or waste runs, this socket adaptor provides a clean, watertight seal every time.

Manufactured in the UK from durable, lightweight uPVC, the B4901 incorporates Brett Martin’s market-leading captive seal system.This design holds the internal rubber gasket firmly in place during jointing, eliminating seal dislodgement and preventing frustrating installation leaks.Designed with a classic terracotta finish, it blends seamlessly with existing 110mm drainage lines while maintaining full compliance with BS EN 1401 quality standards.

Frequently Asked Questions

Q: What pipe types does the Brett Martin B4901 adaptor accept?

A: The B4901 universal socket adaptor connects standard 110mm underground drainage pipework to various above-ground domestic waste and rainwater downpipe systems (including common 68mm round and 65mm square downpipes).

Q: Does this fitting require solvent cement to install?

A: No, this is a push-fit socket adaptor that uses a captive rubber seal to form a watertight seal, so solvent cement is not required for the seal connection.

Q: Is the rubber seal included with the adaptor?

A: Yes, the B4901 comes with an integrated captive rubber seal designed to stay secure in the socket joint during installation.

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