THERMOSTAT INSPECTION


  1. THERMOSTAT

    A01KHC0

    Tech Tips

    The thermostat is numbered with the valve opening temperature.


    1. A01KGKC

      Immerse the thermostat in water and gradually heat the water.

    2. Check the valve opening temperature.

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

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

    3. A01KG9UE02
      Text in Illustration
      *a Valve Lift

      Check 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 40°C (104°F)).

      If not closed, replace the thermostat.