WATTS® Reduced Pressure Zone Assembly, Lead Free, Series: LF909, 4 in Nominal Size, 175 psi, 33 to 110 deg F, Cast Iron Body, Epoxy Coated, 55-1/8 in L
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 FDA approved epoxy coated cast iron body construction with stainless steel trim, Lead Free cast copper silicon alloy ball valve shutoffs, and Lead Free copper silicon alloy test cocks. Series LF909 features a air-in/water-out 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. The LF909 features Lead Free construction to comply with Lead Free installation requirements.