List of featured suppliers of NON-RETURN VALVES on Building Products Index

Flexseal, design and manufacture the most comprehensive range of fully approved low pressure pipe couplings, pipe saddles and pipe adapters suitable for sewerage, drainage, plumbing and vent systems. Fernco pipe couplings can be used with plastic, clay, concrete, cast iron and steel pipes. We also supply our domestic Storm Drain and Commercial Technodrain surface water drainage channels.

Saint-Gobain Pipelines is the leading UK supplier of a range of ductile iron pipes, fittings, valves, manhole covers, gullies and grates as well as being the leading producer of cast iron above and below ground drainage systems. The range includes syphonic cast iron rainwater drains, Steel access covers for commercial and industrial developments, Cast iron rainwater and gutter systems and above and below ground iron drainage pipes and couplings.

Marley Plumbing and Drainage supply and manufacture sustainable drainage systems. Our main product ranges include rainwater systems, underground drainage systems, soil and waste systems, sustainable drainage and HDPE drainage products.

We supply an extensive range of wet room drains, shower drains, floor drains and other drainage products for domestic and commercial applications. We also manufacture a comprehensive range of roof outlets and drainage products for all buildings.