Thermostat: Testing and Inspection

INSPECTION
1. Visually check that the thermostat valve is airtight.
2. Place the thermostat and a thermometer in water.
3. Heat the water and check the following.

Initial-opening temperature: 80-84°C (176-183°F)
Full-open temperature: 95°C (203°F)
Full-open lift: 8.5mm (0.33 in) min.