Watts backflow preventer Series LF009 lead free assemblies prevent the reverse flow of polluted water from entering into the potable water supply due to back siphon-age and or backpressure.
This device consists of lead free cast bronze body, 1 1/4" NPT end connections, quarter turn ball valve shutoffs with tee handles, top mounted test cocks, two in-line independent check valves, captured springs, and replaceable check seats with an internal relief valve for reduced space requirements. Series LF009 is ideal for protection of health hazard cross-connections or for containment at the service line entrance. Check with local water authorities for installation requirements. Specifications: