WATTS LEAD FREE LF919 3/4"

3/4 In Lead Free Reduced Pressure Zone Backflow Preventer Assembly, Quarter Turn Ball Valves

Model Overview

Series LF919 Lead Free* Reduced Pressure Zone Assemblies prevent the reverse flow of contaminated water from entering into the potable water supply due to backsiphonage and or backpressure. They have a Lead Free* cast copper silicon alloy body construction, two poppet style check valves and replaceable check seats, with an intermediate relief valve. Series LF919 compact modular design facilitates easy maintenance and assembly access. They are ideal for protection at health hazard cross-connections or for containment at the service line entrance. Check with local water authorities for installation requirements. Maximum Working Pressure: 175psi (12.06 bar). Features: Separate access covers for the check valves and relief valve for easier maintenance, Bottom-mounted relief valve reduces installation clearances, Top-mounted test cocks reduce installation clearances and make testing easier, Innovative plastic seat guides and check valve plastic cover bushing for trouble-free guiding.