WATTS® Double Check Valve Assembly, Lead Free, Series: LF719, 1 in Nominal Size, 175 psi, 33 to 180 deg F, Copper Silicon Alloy Body, 14-16/16 in L x 4-9/16 in H
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. It consists of a Lead Free cast copper silicon alloy body construction and chloramine resistant elastomers. Series LF719 features a separate access, top-entry check valve design for ease of maintenance and is for use at referenced cross-connections in non-health hazard applications. Check with local inspection authorities for installation requirements.