General description The McAlpine VP2 Ventapipe 25 Air Admittance Valve is a plumbing device designed to allow air to enter the drainage system while preventing foul odors from escaping into the building. This valve features a 1.5" universal outlet, making it compatible with various pipe sizes and materials. It is suitable for use with waste pipes from sinks, basins, baths, and other similar fixtures. Manufactured by McAlpine, a respected brand in the plumbing industry, this valve is designed to meet high standards of quality and reliability, backed by a manufacturer's guarantee. Technical specifications Outlet size: 1.5" Air flow capacity: 3 l/s Rating: A1 Usage The McAlpine VP2 Ventapipe 25 is ideal for use in plumbing systems where air admittance is needed to maintain proper drainage and prevent odors.