WATTS® Lead Free Reduced Pressure Zone Assembly, Series: LF909, 1-1/4 in Nominal, MNPT, 175 psi Working, 33 to 110 deg F Continuous/140 deg F Intermittent, Quarter-Turn Ball Valve Ball Valve/Gate Valve type, Full Port, Cast Copper Silicon Alloy Body, 5-1/4 in W
Series LF909 Lead Free Reduced Pressure Zone Assemblies prevent the reverse flow of polluted water from entering into the potable water supply due to back siphonage and or backpressure. It consists of a Lead Free Cast Copper Silicon Alloy body construction, bronze ball valve shutoffs and bronze test cocks. Series LF909 features a air-in/water-out design principle for protection during emergency combined back siphonage and backpressure conditions. It is ideal for health hazard cross-connections or for containment at the service line entrance. Check with local water authorities for installation requirements.