Watts 757 NRS 10 Part of the 757 Series silt fence selector Specifications Actuation Yes Assembled Dry Specifications Actuation Yes Assembled Dry No Balance Stop Plate No Ball Material 316 Stainless Steel Body Finish Bronze Body Material Bronze Brand Watts Buy American Act Compliant NO Class Rating Does Not Apply To Product Control Type Electric Actuators CV Rating 9 GPM EAN 098268016901 Electrical Rating 24 V Inlet Connection Size 1 2 IN Inlet Connection Size Metric 15 MM Inlet Connection Type Female Threaded Inlet Thread Type NPTF Lead Free YES Maximum Temperature Fahrenheit 150 Minimum Temperature Celsius 40 This 3 4 inch lead free boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment It consists of a stainless steel body non rising stem resilient seated gate valves