-
Remove thermostat.
-
Visually inspect thermostat for corrosion or damage.
-
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.
-
Stir the water as it heats. Observe opening action of thermostat
and compare temperatures with specification given in chart below.
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)
|
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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.
-
Replace thermostat if defective.