THERMOSTAT > INSPECTION |
| 1. INSPECT THERMOSTAT |
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The valve opening temperature is inscribed on the thermostat.
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Immerse the thermostat in water, and then gradually heat the water.
Check the valve opening temperature of the thermostat.
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Check the valve lift.
Check that the valve is fully closed when the thermostat is at low temperatures (below 77°C (171°F)).
If not fully closed, replace the thermostat.