HYDRAPRO HPSRV3 3 GREY SEWER RELIEF VALVE

This Sewer Relief Valve is designed to help protect plumbing systems from potential sewer backups and pressure buildup. The valve installs in sewer or drainage lines and automatically opens when excess pressure occurs, allowing wastewater to discharge safely and preventing damage to plumbing fixtures or property. It is built to withstand outdoor conditions and long-term exposure. The spring-loaded cover helps keep sewer gases contained while allowing reliable operation when pressure increases. Its compact design and simple installation make it a practical solution for residential and light commercial plumbing systems.