WATTS® Lead Free Double Check Valve Assembly, Series: LF709, 2-1/2 in Nominal, 175 psi Working, 33 to 110 deg F Continuous/140 deg F Intermittent, Resilient Seated Gate Valve Ball Valve/Gate Valve type, Cast Iron Body, Epoxy Coated, 39-3/8 in L
Series LF709 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system. This series can be applied, where approved by the local authority having jurisdiction, on non-health hazard installations. Series LF709 features a modular check design concept to facilitate easy maintenance. Check with local jurisdictional authority as to installation requirements. The LF709 features Lead Free construction to comply with Lead Free installation requirements.