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Technical Data | Related Products

Watts Series LFSL100XL, LFL100XL, LFLL100XL and LFLLL100XL Lead Free* Extended Shank Temperature and Pressure Relief Valves are used in water heater and hot water storage tank applications to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hr.

They feature an extended shank for installation on water heaters with extra thick insulation as well as a Lead Free* brass body with NPT male inlet and NPT female outlet connections, unique thermostat with special thermo-bonded coating, and a test lever. Model LFSL100XL is suitable for water heaters with up to 1-3/4 in. of insulation. Model LFL100XL is suitable for water heaters with up to 2 in. of insulation. Model LFLL100XL is suitable for water heaters with up to 2-1/2 in. of insulation. Model LFLLL100XL is suitable for water heaters with up to 3 in. of insulation.

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