Watts LFF116 300 B 20 200 LS 3 Part of the LFF116 Series Window Well Extension Specifications Actuation No Assembled Dry Specifications Actuation No Assembled Dry Yes Balance Stop Plate No Ball Material 316 Stainless Steel Body Finish Brass Body Material Lead Free Copper Silicon Alloy Brass Brand Watts Buy American Act Compliant NO Class Rating Does Not Apply To Product Control Type Lever Handle CV Rating Does Not Apply To Product EAN 098268696080 Electrical Rating Does Not Apply To Product Inlet Connection Size 1 1 2 IN Inlet Connection Size Metric 40 MM Inlet Connection Type Socket Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Temperature Fahrenheit 400 Minimum Temperature Celsius 18 ZB400B 3NH This pressure relief control valve is designed to permit flow when upstream pressure is above the adjustable setpoint of the control pilot and throttle toward closed when upstream pressure falls below the adjustable setpoint