McAlpine 31.75 mm x 31.75 mm self-closing waste valve with tundish adapter features British Standard Pipe female inlet nut x compression connections. The valve's membrane opens under water pressure to allow discharge to freely flow before closing to form a seal designed to prevent odours and sewer gases absconding entering the building.
Can be fitted in both horizontal and vertical position
Includes BSP female inlet nut and universal compression outlet
Comes with a rich white finish
No water seal so it can never dry out through evaporation or lack of use of an appliance as the membrane remains sealed
Available in different sizes
Not recommended for use with shower trays unless there is access for maintenance
This valve can be fitted in both horizontal and vertical position
Technical specification
TypeValveMaterialABS, SiliconeDiameter32 mmColourWhiteManufacturer Model NoMACVALVE-3Brand NameMcAlpine
Reviews
Mcalpine Self Closing Waste Valve With Tun Dish Adaptor Macvalve-3