WATTS® Double Check Valve Assembly, LF719 Series, 1/2 in Nominal Size, 175 psi, 33 to 180 deg F, Cast Copper Silicon Alloy Body, 9-9/16 in L
Series LF719 Double Check Valve Assemblies are designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements. This series may be used in only those cross-connections identified by local inspection authorities as non-health hazard applications. Check with local authority having jurisdiction regarding vertical orientation, frequency of testing or other installation requirements. The LF719 features Lead Free construction to comply with Lead Free* installation requirements. Series LF719 meets the requirements of ASSE Std. 1015 and AWWA Std C510.