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LF70A Watts

Lead Free* Hot Water Extender Tempering Valves for Residential Installations

Series LF70A, LFL70A Hot Water Extender Tempering Valves are used in residential water supply applications to mix cold and hot water in order to extend capacity of water heater storage tanks and hot water boiler tankless heaters. They feature Lead Free* brass body construction, dial adjustment cap, replaceable thermostat, and stainless steel spring, and the series is available with either threaded or solder end connections . Series LF70A temperature range: 120 degreeF to 160 degreeF. Series LFL70A temperature range: 100 degreeF to 130 degreeF. Maximum Pressure: 150psi (10 bar).


  • Lead-free• brass construction resists corrosive domestic hot water conditions
  • Available with sweat or threaded connections
  • Thermostat is easily removed and replaceable as a unit to simplify service
  • Unusually high capacity for the size

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific LF70A