3/4 WATTS ASME BOILER RELIEF VALVE 30 PSI

Watts Series 374A Boiler Pressure Relief Valves are used in hot water boiler applications to protect against excessive pressure on all types of hot water heating boiler equipment. It consists of an iron body construction with forged bronze inlet connections non-metallic disc-to-metal seating stainless steel spring and test lever. Watts Series 374A Boiler PRV resists corrosive water conditions sticking and freezing and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and shall not be used as an operating control. Standard Pressure Setting is 30psi 206.9 kPa Pressure Range In 5psi 34.5 kPa increments from 30 to 150psi 2 to 10 bar with corresponding high ratings at 550000 BTU/hr