THERMOSTAT INSPECTION


  1. INSPECT THERMOSTAT

    A003G1V

    Tech Tips

    The valve opening temperature is inscribed on the thermostat.


    1. A003BJG

      Immerse the thermostat in water, then gradually heat the water.

    2. Check the valve opening temperature of the thermostat.

      Valve opening temperature
      80 to 84°C (176 to 183°F)

      If the valve opening temperature is not as specified, replace the thermostat.

    3. A003FCHE01

      Check the valve lift.

      Valve lift
      10 mm(0.39 in.) or more at 95°C (203°F)

      If the valve lift is not as specified, replace the thermostat.

    4. Check that the valve is fully closed when the thermostat is at low temperatures (below 77°C (171°F)).

      If not fully closed, replace the thermostat.