THERMOSTAT INSPECTION


  1. INSPECT THERMOSTAT

    A01E0EHE03

    Tech Tips

    The valve opening temperature is inscribed on the thermostat.


    1. A01DVDUE03

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

    2. Check the valve opening temperature of the thermostat.

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

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

    3. A01DV5DE05

      Check the valve lift.

      Standard valve lift
      8.0 mm (0.315 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 temperature is below 77°C (171°F).

      If not fully closed, replace the thermostat.