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Customer Questions and Answers for High Limit Thermostat Kit by Whirlpool

4.89 (64)
By: Whirlpool
Part Number: OEM18143955
Manufacturer Part Number: W11050897

The High Limit Thermostat Kit is an OEM replacement part for Whirlpool dryers. This kit includes a thermostat that is designed to prevent the dryer from overheating by monitoring the temperature inside the dryer drum. If the temperature exceeds a safe level, the high limit thermostat cuts off power to the heating element, ensuring the appliance operates within safe parameters and protecting it from potential damage.

Over time, the high limit thermostat can wear out or fail due to repeated cycling and exposure to high temperatures. Electrical surges, buildup of lint and debris, or faulty wiring can also cause the thermostat to malfunction, potentially leading to overheating or inadequate drying performance.

Symptoms of a bad high limit thermostat include:

  • The dryer not heating or only producing intermittent heat
  • The dryer shutting off unexpectedly during a cycle
  • Clothes taking longer than usual to dry
  • The dryer running excessively hot or not hot enough
  • Error codes related to temperature issues appearing on the display panel

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

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Questions & Answers

For Whirlpool High Limit Thermostat Kit (Part Number: OEM18143955)

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Wes T for Model Number Whirlpool

I changed out the back of the electric clothes dryer. The tub had rubbed against the back and worn sharp edges in it. In the process of putting the dryer back together I am at a stand still. I am getting electric power to the dryer at the pig tail. I have power at the motor, but when I try to test the unit to see if I have my connections are correct the dryer will not attempt to run. I had to unplug from the thermostats to change out my part. I have two red wires, 2 purple wires, two blue wires. The red ones will only fit one side of the thermostat so it won't matter about them. The blue and the purple ones are my questions. I have tried to bypass the dryer door switch but thus far it makes no difference.I don't have current to my meter with any one of my choices. I am working on my daughter's dryer so if I don't get hers fixed she will be at my house using my dryer. HELP!

Answer

Wes, A model number would have been a big help. But the thermostats and fuses would not have an effect on the dryer start and run, at this point. I presume this is a GAS dryer so : The red wire from the timer should attach to one of the terminals on the hi limit switch. The red with white stripe wire shouls attach to the other terminal and route over and attach to one terminal of the cycling thermostat. The two purple wires should attach to the two small terminals of the cycling thermostat, as well. The other red wire will attach to the other large terminal of the cycling thermostat abd will route and attach to the terminal of the thermal fuse. The Blue wire fom the gas valve wiring harness will attach to the other terminal of the thermal fuse. and one blue wire should attach to the terminals of the radiant/flame sensor, on the burner housing. That should get the thermostats wired and ready to go. Make sure, one of those red wires is not the motor circuit wire. There is a red wire that attaches to the motor at one end and the push to start switch at the other. That may be thr reason for your no start issue. Good Luck.

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Answered by AppliancePartsPros.com   |   Monday, August 22, 2011

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