Products tagged with '4" valve'

The Polypipe Soil 4" Air Admittance Valve in Black is essential for maintaining proper air pressure in your drainage system. Designed to prevent the buildup of negative pressure and avoid sewer odors, this valve offers reliable performance and easy installation, ensuring efficient and trouble-free drainage.

The Polypipe Soil 4" Air Admittance Valve in Grey is a vital component for your drainage system. It allows air to enter the pipes, balancing pressure and preventing vacuum formation, while effectively blocking sewer gases. Ideal for enhancing system efficiency and preventing odor issues.