THERMOSTAT INSPECTION


  1. INSPECT THERMOSTAT


    1. A019M1HE01

      Inspect the thermostat.

      Tech Tips

      The valve opening temperature is inscribed on the thermostat.

    2. A019ORUE01

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

    3. Check the valve opening temperature.

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

      If the valve does not open as specified, replace the thermostat.

    4. A019JOKE07

      Check the valve lift.

      Standard valve lift
      10 mm (0.394 in.) or more at 95°C (203°F)

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

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

      If the valve is not fully closed, replace the thermostat.