Hi-limit thermostat, Thermal fuse – Whirlpool Thin Twin User Manual
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HI-LIMIT THERMOSTAT
The hi-limit thermostat is located on the side of the heater element (gas burner) housing.
To test the hi-limit thermostat at room temperature, set the resistance scale to Rx1 and place the
probes on the terminals with the red and red/white wires. The meter should read continuity, (0) ohms
resistance. This is because this thermostat is normally closed and will open at temperatures above
250“ F.
HEATER
1 1 , 2
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THERMAL FUSE
The thermal fuse is located on the blower housing.
To test the thermal fuse, set the resistance scale to Rx1 and place the probes on the terminals with the
black and red wires. The meter should read continuity, (0) ohms resistance. This is because this
thermal fuse is normally closed and will open at temperatures above 196“ F If the thermal fuse is
open (infinite resistance) it must be replaced.