McAlpine Ventapipe 50 Air Admittance Valve for 2in, 3in and 4in Pipe VP50-100

A leading supplier of plumbing fittings, McAlpine comes with a variety of high-quality and competitive products to suit all plumbing solutions. The Ventapipe air admittance valve enables venting for soil and ventilating stacks, the advantage of using this equipment is it removes the need for making holes through the roof or external walls. This valve incorporates a sealing diaphragm which under its own weight or slight spring pressure is normally held closed, thus sealing the foul air within the pipework.