Series LFBRVM1, Combination Ball Valve and Relief Valve is aneasy to install two-in-one device. Designed to be used as waterheater shutoff valves to provide both a means to shut off thewater supply to the water heater and to provide protection againstexcess water pressure caused by thermal expansion.The SeriesLFBRVM1 features Lead Free* construction to comply with LeadFree* installation requirements.These valves use a Lead Free* body full port valve design whichincludes PTFE seats and a blow out proof stem design. The reliefvalve section includes a Viton disc and stainless steel spring.FeaturesEasy Installation - Installs in any positionLow profile designFull port ball valve with virgin PTFE seatsBlowout proof stem