3/4" NPT VR-801 Vacuum Relief Valve w/ Dust Cover (Lead Free) Galvanized Nipples Schedule 40 (Imported) Extra FloodStop Sensor Pad

Extra FloodStop Sensor Pad

Socket Ends

1 ISOLATOR

No Lead design is suitable for all potable water supply installations

3/4" NPT VR-801 Vacuum Relief Valve w/ Dust Cover (Lead Free) Galvanized Nipples Schedule 40 (Imported) Extra FloodStop Sensor PadThe VR 801 Vacuum Relief Valve is designed to protect hot water supply systems and pressure vessels against negative pressure. It is especially well suited for many domestic and commercial systems. It works by preventing internal vacuum conditions that could result in burned out heaters and or collapsed storage tanks. Installed on the cold water supply line, the Cash Acme VR 801 closes tightly under pressure and opens at a 1" mercury vacuum.