McAlpine VPSF 40/50 Ventapipe Air Admittance Valve, White

General description The McAlpine VPSF-40/50 Ventapipe 40/50 Air Admittance Valve with Solvent Weld Outlet is a plumbing product designed for venting waste pipes in a building's drainage system. It allows air to enter the waste pipe system, preventing the siphoning of water from trap seals and the buildup of negative pressure in the pipes. This valve is ideal for installation in tight spaces where traditional vent pipes cannot be used. Technical specifications Fits 1.25", 1.5" and 2" BS EN 1329-1:2000 solvent weld waste pipes Solvent weld outlet for easy connection using solvent cement Air flow capacity of 9 l/s A1 rated