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1.Immerse the thermostat in water, and heat the water while stirring. Check the thermostat valve opening temperature. Standard value: 82 ± 2°C
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2.Check that the amount of valve lift is at the standard value when the water is at the full-opening temperature.
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Measure the valve height when the thermostat is fully closed, and use this measurement to compare the valve height when the thermostat is fully open.
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Standard value:
Full-opening temperature: 95°C Amount of valve lift: 10 mm or more
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