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McAlpine Self Closing Waste Valve 1.5″ – MACVALVE-2

Original price was: $28.52.Current price is: $19.96.

Size: 1.5″
BSP female inlet nut x universal compression outlet
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 horizontal or vertical position
Can be fitted in installation where a non-return valve can be of benefit to the plumbing installation
No water seal so it can never dry out through evaporation or lack of use of an appliance as the membrane remains sealed
Not recommended for use with shower trays unless there is access for maintenance