Watts 174A 040 1 1 4 Part of the 174A Series Tactile Paving Specifications Actuation Yes Assembled Dry Specifications Actuation Yes Assembled Dry No Balance Stop Plate No Ball Material Chrome Plated Brass Body Finish Brass Body Material Forged Brass Brand Watts Buy American Act Compliant NO Control Type Lever Handle EAN 098268335910 Inlet Connection Size 3 IN Inlet Connection Size Metric 80 MM Inlet Connection Type Female Threaded Inlet Thread Type NPT Lead Free NO Maximum Temperature Fahrenheit 400 Minimum Temperature Celsius 18 Specifications Actuation No Assembled Dry No Balance Stop Plate No Ball Material Brass Body Finish Bronze Body Material Bronze Brand Watts Buy American Act Compliant NO Class Rating Does Not Apply To Product Control Type Lever Handle CV Rating 360 GPM EAN 098268500455 Electrical Rating Does Not Apply To Product Inlet Connection Size 2 IN Inlet Connection Size Metric 50 MM Inlet Connection Type Female Threaded Inlet Thread Type NPT Lead Free YES Maximum Temperature Fahrenheit 350 Minimum Temperature Celsius 18 740 (Spanish) This 1 1 4 inch 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