THERMOSTAT INSPECTION


  1. INSPECT THERMOSTAT


    1. A017BLV

      Inspect the thermostat.

      Tech Tips

      The valve opening temperature is inscribed on the thermostat.

    2. A017B5Z

      Immerse the thermostat in water and gradually heat the water.

    3. Check the valve opening temperature.

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

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

    4. A017CV6E06

      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.

    5. Check that the valve is fully closed when the thermostat is at low temperatures (below 40°C (104°F)).

      If it is not fully closed, replace the thermostat.