Watts LFRK 709DCDA CK2 3 Part of the RK 709DCDA Series HDPE Certified NSF standard 61 ANSI 8 Certified NSF standard 61 ANSI 8 Specifications Actuation No Assembled Dry No Balance Stop Plate No Ball Material 316 Stainless Steel Body Finish Stainless Steel Body Material Stainless Steel Brand Watts Buy American Act Compliant NO Control Type Lever Handle CV Rating 37 EAN 098268386790 Electrical Rating Does Not Apply To Product Inlet Connection Size 3 4 IN Inlet Connection Size Metric 20 MM Inlet Connection Type Female Threaded Inlet Thread Type NPT Lead Free NO Maximum Temperature Fahrenheit 400 Minimum Temperature Celsius 18 This second check valve kit is used to repair or replace the second check on a 3 inch lead free double check detector assembly and used to prevent the reverse flow of polluted water from entering into the potable water supply LF709DCDA Compatible Size Used On 3 IN Kit Contents Disc Assembly