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High Limit Thermostat

Part Number: AP3010530
MFG Part Number: 661566
Made by: Whirlpool
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$24.25 $7.87

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Satisfaction Rating (1)

Questions & Answers

35 Questions & Answers


Thermostat has 1/4 inch terminals.

Genuine Whirlpool part. Whirlpool brands include Whirlpool, Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and others. See all items in Dishwasher Fuse Or Sensor.
Whirlpool also makes various appliance models for Sears / Kenmore.

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Cross Reference Information

Part Number 661566 (AP3010530) replaces W10339474, 2887, 3369777, 3370783, 3371618, 4171694, AH382429, EA382429, PS382429.

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Overheating during wash cycle, causing the failsafe switch [fuse] to turnoff the dishwasher, permanently. Stuart H. • Port Angeles, WA • March 14, 2014

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Repair Time Estimate

15-30 minutes 

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Most Interesting

My Kenmore Ultra Wash Dishwasher blows the Thermal Cut Off device. I have checked the heating element - it measures correct resistance. I ran the dishwasher in the Service Diagnostic mode, and the max current draw is about 10A when heater is on - This seems ok, so I don't sure why the TCO is blowing. I checked the Thermistor, it measures 41.9 k ohms at ambient temp of 83 degrees, and drops when I heat it with a hair dryer - seems to be working appropriately, but not sure. The High Limit Thermostat is closed - Don't know if this should operate as a routine occurrence during a cycle to control the temperature, or if the Thermistor circuit and Control Board handles that. Any ideas would be appreciated. Thanks.

Robert for Model Number 16032.401


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My kenmore dishwasher wont start. LED lights work on the panel, but start will not light, nor will delay wash. Is this the thermo switch?

Kenmore-Wont-Start for Model Number kenmore


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Our dishwasher is not heating, I checked our heating element and it was bad, so I replaced it and its still not working. I check thermostat with meter and it read o ohms, and still no heat. Could it be a bad control board or am I missing a step in this process?

Adam for Model Number WHIRLPOOL WDT710PAYM0


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Latest Questions

Cycle stalls after wash cycle. Drain motor runs continually.

George for Model Number 66513232k701


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How do I replace the high limit thermostat. I replaced the heat element and the dishwasher is still not drying. I have heard that this is most likely the culprit.

Sarah for Model Number dp1040xtx1


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Dishwasher not drying - high-limit/temp thermostat or heating element Everything else seems to be working fine but the dishes are not drying. From what I've read, it may either be the high-limit/temp thermostat or the heating element. Are the high-limit thermostat and high-temp thermostat the same thing? Some sites seem to have the same item with different names. How can I confirm which is the issue?

Someguy for Model Number DU920QWDQ3


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