Immerse the thermostat in water and gradually heat the water.
Check the valve opening temperature.
Valve opening temperature: 90±1.5°C(194±34.7°F)
Full opening temperature: 100°C (212°F)
If the valve opening temperature is not as specified, replace the thermostat.
Check the valve lift.
Valve lift : 8mm (0.3in) or more at 100°C (212°F)
If the valve lift is not as specified, replace the thermostat.
