McAlpine self-closing waste valve includes a BSP female inlet nut x universal compression outlet. The valve's membrane opens under water pressure to allow discharge to flow freely and then closes to form a seal to prevent foul odour or sewer gas entering the building.
Can be fitted in installations where a non-return valve can be of benefit to the plumbing installation
Can be used to take the discharge from a pressure relief valve on an unvented domestic hot water storage system
Includes BSP female inlet nut and universal compression outlet
White finish
Not recommended for use with shower trays unless there is access for maintenance
Available in different sizes
Can be fitted in both horizontal and vertical position
Technical specification
TypeValveMaterialAcrylonitrile butadiene styrene and SiliconeLength175 mmDiameter32 mmConnection TypeCompressionColourWhiteManufacturer Model NoMACVALVE-1Brand NameMcAlpine
Reviews
Mcalpine Self Closing Waste Valve Loose Nut X Compression White 31.75mm Macvalve-1