Cash Acme 3/4 In. Vacuum Relief Valve

Product Description

The VR-801 Vacuum Relief Valve is designed to protect hot water supply systems and pressure vessels against negative pressure. Installed on the cold water supply line, the Cash Acme VR-801 closes tightly under pressure and opens at a 1 in. mercury vacuum. Atmosphere admitted to the system breaks the vacuum, preventing collapse of the storage tank.Brass bodySilicone seat discPrevents internal vacuum conditionsGuards against siphonageOpens quickly in emergency situationsEvery valve is tested for performance prior to shipping