Verification Thermostat Opening Temperature

CQ294097-UN-06AUG12

1. Remove thermostat.

2. Visually inspect thermostat for corrosion or damage.

3. CAUTION: DO NOT allow thermostat or thermometer to rest against the side or bottom of container when heating water. Either may rupture if overheated.

   Suspend thermostat and thermometer in a container of water.

4. Stir the water as it heats. Observe opening action of thermostat and compare temperatures with specification given in chart below.

   NOTE: Due to varying tolerances of different suppliers, initial opening and full open temperatures may vary slightly from specified temperatures.

   THERMOSTAT TEST SPECIFICATION
   Rating	Initial Opening (Range)	Full Open (Nominal)
   82°C (180°F)	80-84°C (175-182°F)	94°C (202°F)

5. Remove thermostat from container and observe closing action as thermostat cools. Thermostat should close completely in ambient air. Closing action should be smooth and slow.

6. Replace thermostat if defective.