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Before I purchase new cut off, I decided to test the two thermostats:
one is marked L155-25F. it opens at 110°F.
the other L250-80F. it opens at 180°F.
Some sites say that number after the dash is +/- for opening temperature. Other sites say that is how much less the temp needs to be for closing. I dont know which sites are correct.
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Ive watched several troubleshooting videos for this specific model troubleshooting for no heat. Each video tested the High-Limit Thermostat, Operating Thermostat, Thermal Fuse, heating element. One of the videos tested the timer. None tested or even mentioned the Thermal Cut-Off Fuse.
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Why is it needed? Ive only repaired a few dryers, but this looks like extra part. This dryer has the std High-Limit Thermostat, Operating Thermostat, and Thermal Fuse. However, it also has this Thermal Cut-Off Fuse. This Thermal Cut-Off fuse is located in the heater housing where it feeds the drum and looks more like a thermostat. Its also the most expensive part. See attached diagram. ( https://imgur.com/a/Q3vVHeP ) #1 Thermal Cut-Off Fuse #34 High-Limit Thermostat #42 Operating Thermostat #59 Thermal Fuse kenmore 110.96281100 tks, pa
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