THERMOSTAT INSPECTION


  1. INSPECT THERMOSTAT

    A01369FE02

    Tech Tips

    The valve opening temperature is inscribed on the thermostat.


    1. A013886

      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. A0138ETE02

      Inspect the valve lift.

      Valve lift
      Temperature Valve lift
      95°C (205°F) 8.5 mm (0.335 in.) or more

      • 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 temperature (below 77°C (171°F)).


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