1.
Immerse the thermostat in water and gradually heat the water.
Immerse the thermostat in water and gradually heat the water.
Check the valve opening temperature.
Valve opening temperature:
82 ± 1.5°C (179.6 ± 2.7˚F)
Full opening temperature: 95°C (203˚F)
If the valve opening temperature is not as specified, replace the thermostat.
Check the valve lift.
Valve lift : 8 mm (0.3 in) or more at 95°C (203˚F)
If the valve lift is not as specified, replace the thermostat.
