McAlpine Ventapipe Auto Air Vent Admittance Valve with Multifit Tee 1.25" VP4 in White McAlpine White

The McAlpine VP4 Ventapipe 25 Air Admittance Valve with integral 1.25" Multifit Tee is a plumbing product designed to provide ventilation to a waste water system in a building. The valve is installed in a pipe that is connected to the drainage system, and it allows air to enter the pipe when the system is in use. The purpose of the valve is to prevent the siphoning of water from traps in the system, which could cause unpleasant odours to enter the building. The valve works by opening and closing in response to changes in air pressure in the system. The integral 1.25" Multifit Tee is a feature of the valve that allows it to be easily installed in a variety of different pipe configurations. The tee is designed to connect to a 1.25" pipe, and it has a multifit design that allows it to be used with different types of pipe, such as copper, plastic, or lead. Overall, the McAlpine VP4 Ventapipe 25 Air Admittance Valve with integral 1.25" Multifit Tee is a reliable and easy-to-install plumbing