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Sample Model Number Tags
Model numbers can be made up of numbers (1005400, for example) or a combination of letters and numbers (LAT1000AAE). The model number will most likely appear on either a paper sticker or a metal plate. Your appliance's model number tag may look similar to the sample model number tags shown here (model number highlighted in yellow):
This thermostat (Dryer Operating Thermostat, Dryer Cycling Thermostat, Cycling Thermostat, Dryer Thermostat) is used to maintain a temperature of 155 degrees in the dryer drum. The internal bias heater also allows this thermostat to provide a low heat temperature of approximately 140 degrees when the low temperature setting is selected. The part measures 2 by 1.5 inches, comes in black/silver and is constructed of plastic and metal. The thermostat attaches to the blower wheel housing.
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Why buy the real thing?
OEM stands for Original Equipment Manufacturer. Simply put, this means that the company who made your appliance is also supplying the replacement part for it.
Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Sorry, we couldn't find any existing reviews that matched. Try using some different or simpler keywords.
★★★★★
★★★★★
John V - April 25, 2018
Verified Purchase
Easy fix
Worked great fast delivery
★★★★★
★★★★★
Adrienne H - April 16, 2020
Verified Purchase
Part solved the problem
After having replaced the fuse, which we got from Parts Select, my husband checked if the heating coil was working. It was and he realized the thermostat was the problem. The thermostat came more quickly than expected and we were able to return the unused heating coil. The dryer works perfectly now. All dealings with Parts Select were handled quickly, efficiently, and politely.
★★★★★
★★★★★
Karl B - January 27, 2021
Verified Purchase
Fast shipping easy repair
Great part, fast shipping
★★★★★
★★★★★
Jose G - April 3, 2020
Verified Purchase
Right part, easy repair. Works well
The part arrived within a week and was easy to install. The online instructions for testing, removal and installation were easy to follow.
★★★★★
★★★★★
Kathryn H - August 18, 2019
Verified Purchase
Quick shipper, personal, diagnostic help
Part shipped quickly. Spoke to online repairman, very knowledgeable and helpful, but wasn't the problem. We replaced the thermostat anyway. Turned out to be a blown fuse.
★★★★★
★★★★★
David D - March 1, 2024
Verified Purchase
The Parts you want
This corrected the problem Drying back to normal
★★★★★
★★★★★
WILLIAM C - December 31, 2019
Verified Purchase
Easy fix
Part came fast, and dryer working again
★★★★★
★★★★★
Tina R - July 12, 2020
Verified Purchase
Easy repair - part as expected
The part looked OEM, sealed and new. It was a very easy install. Part was shipped a delivered as promised. I have always had a good experience with PartSelect.
★★★★★
★★★★★
Aaron F - July 23, 2020
Verified Purchase
So far so good!
Part was exactly what was needed fast shipping and dryer is back in service!
★★★★★
★★★★★
Nathaniel J - August 9, 2019
Verified Purchase
The exact part that was needed
The correct part that I need it went in with he's very satisfied
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Sorry, we couldn't find any existing answers that matched.Try using some different or simpler keywords, or submit your new question by using the "Ask a Question" button above!
Jerry
July 24, 2017
Is there a way to test the thermal interna bias switch to be sure it is the problem
For model number Ler7646ez2
Hello Jerry, thank you for contacting us. With a multimeter you can test the two large terminals on the thermostat, they should read closed for continuity and the two small ones should show an ohms resistance value. We hope this helps and good luck with the repair!
95 people found this helpful.
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Kealan
July 20, 2017
I’m not sure how often this happens because it hasn’t happened to me or anyone I know before. But our dryer seems to be getting too hot during cycles. The clothes are way too hot when they come out, even on the lower settings. The heater element is still cycling on and off though which is think is normal. I’ve already checked the flow and the vents and everything seems to be square there. What would you recommend I check next. Do you think it’s the thermostat?
Hi Kealan, we recommend trying to dry a load with the vent unhooked from your dryer. If you are still experiencing these symptoms you could have a faulty dryer cycling thermostat WP3387134. I hope this helps!
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Tony
August 3, 2018
Have seen 2 different answers about continuity on thermostat internal bias. One said both should read 0 at room temperature. The other said the small terminals will read an "ohm value". Which is correct?
Hi Tony, Thank you for the question. You would need to check the outer 2 terminals on the thermostat for continuity. If this checks ok then test the inner smaller terminals for resistance of 4.5K ohms. Hope this helps!
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Dylan
July 20, 2017
My dryer is taking too long to dry the clothes in it and I am not over filling it. My friend suggested a blockage but we already checked for that. We also tried using the different settings and the only one that seems to be buggy and not working is the highest setting. So do you have any suggestions of parts to check or tests to try to fix this.
Hi Dylan, we recommend testing the temperature coming from the dryer when on high heat, which should be about 110 (low end) to 160 (high end) degrees. If your dryer is cycling before it hits the 150 degrees, you most likely have a faulty cycling thermostat. This can be tested with a multi-meter with temperature. Best of luck with this repair!
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Steve
February 8, 2018
Greetings, i recently replaced the thermal fuse, cleared the venting ducts, etc. The dryer started up right away, i thought all was well. However, the next day my daughter informed me that her dryer had stopped working again after drying a tablecloth for approximately 20 minutes. I suspect the thermostat is not cycling properly and is causing the dryer too overheat and blow the thermal fuse. Wondering if i should replace the thermostat and the thermal fuse(again). Thank you very much.
For model number IED4400VQ1
Hello Steve, thank you for your question. I would recommend changing the fuse, as well as the Thermostat, Internal-Bias WP3387134. This thermostat is in tune with the temperature of your dryer and regulates it in order to maintain a certain temperature. This thermostat reaches a temperature of 155 degrees, turns off, and then turns on again once it has dropped by 25 degrees. If the thermostat isn't turning off, the unit will overheat and the fuse will blow. I hope this helps!
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Marty
November 28, 2017
My dryer is not heating. Trouble shooting leads me to the internal-bias thermostat. Testing with an ohm meter shows continuity between the large terminals and open between the small terminals. Should the small ones read continuity or some resistance reading?
For model number 110.70702990
Hi Marty,
Thank you for your question. Both sets of prongs should read 0 ohms at room temperature. If your meter needle does not move or your display does not change, the part is bad and will need to be replaced. I hope that helps. Good luck with your repair.
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Danny
October 7, 2017
None of the components are testing bad. ? The thermal fuse, the high temp sensors, start switch, door switch, all are showing continuity or resistance. The heating element is good. I have only 2 choices left. The timer or the motor. The motor is last as it is hard to get to. The problems began when the timed dry cycle quit heating as it ran. So i used the auto-sense cycle and it worked great. Problem solved for 6 months. Yesterday i put the clothes in and set the timer and pushed start. Nothing! No hum, no buzz, nothing. Not on any cycle. Both parts left are expensive. So, is there a go, no go test for the motor? Would you be inclined to suspect the timer? How can i be sure it is one or the other? Thank you for the help.
For model number EED4400WQ0
Hello Danny, thank you for contacting us. It does not sound like an issue with the motor. It sounds like it would be the timer. The dryer timer is used to control the unit's cycles by regulating the length of time that power is directed to each setting. If it becomes faulty it could cause nothing to happen when you start a cycle or only work on certain cycles. Hope this helps!
My dryer is turning on and “working” but it is not heating properly. It is a gas dryer and it doesn’t seem to have a problem igniting. What should I check?
Hi Leo, we recommend testing the coils 279834 to see if they are faulty. You can test them using a multi-meter tool. Please let us know if you have any further questions.
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Vic
August 25, 2017
How do you test thermostat internal-bias
For model number lgr4634pq0
Hi Vic,
Thank you for your inquiry. To test to see if the internal bias thermostat is working you will need to use a multimeter to check the continuity of the part. I hope this helps. Thank you and have a great day!
15 people found this helpful.
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Paul
November 2, 2017
How many ohms should the thermostat read when tested with a multi-meter?
For model number KEYE760WWH1
Hi Paul,
Thank you for your question. Your meter should be set at the lowest setting. The thermostat should read 0 ohms. If your meter does not move when you test the part, it will have to be replaced. I hope that helps. Good luck with your repair.
12 people found this helpful.
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