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11746740-1-S-Whirlpool-WP8577274-Thermostat, Internal-Bias
11746740-1-S-Whirlpool-WP8577274-Thermostat, Internal-Bias 11746740-2-S-Whirlpool-WP8577274-Thermostat, Internal-Bias https://partselectcom.azureedge.net/Schematics/Maytag/4LNNCW1Q.gif

Thermostat, Internal-Bias

Your Price

$21.40
Get this part fast. Average delivery time via standard shipping: 1.8 days.

PartSelect Number PS11746740
Manufacturer Part Number WP8577274
Manufactured by Whirlpool

This internal bias thermostat is a replacement part for your dryer. To replace this part, you will need a putty knife, 5/16ths nut driver, a small flat blade screwdriver, and a 1/4 inch ratchet with a 5/16ths socket. Replacing this part will require lifting the main top of the dryer and some disassembly of parts. Make sure to disconnect power to the dryer before beginning this repair.

This part works with the following brands: Whirlpool, Kenmore, Maytag, KitchenAid, Amana, Inglis, Crosley.

This part works with the following products: Dryer, Washer Dryer Combo.

This part fixes the following symptoms:

  • No heat or not enough heat.
  • Shuts off too soon.
  • Will Not Start.
  • Too hot.
  • Takes too long to dry.
  • Will not tumble.

Videos For installing this part.

Questions & Answers

Ask our experts a question on this part and we'll respond as soon as we can.

Most Helpful

Question:

Have replaced thermal fuse-thermostat- and thermal cutoff.Checked vent lines.Moving ton of air.Does one load-clothes come out extremely hot and thermal fuse is out again.Any ideas?Thanks

John for model number WED8300sw1
Answer:

Hi John, Thank you for the question, I recommend replacing the Internal-Bias Thermostat,PartSelect Number PS11746740. This part controls the temperature of the inside of the dryer drum and prevents the dryer from overheating. Hope this helps!

1 person found this helpful.
Question:

Hello, with the timer set on towels the unit has started to add time to this default setting. Other settings the timer works correctly. Thank you

Art for model number WED7600XW0
Answer:

Hi Art, Thank you for your inquiry. That is a fairly tricky issue unfortunately. I would suggest testing your control board, this part, and your sensor as well. It could be that any one of these parts is causing that issue. I have listed those parts in two links below for you. If you find that they are all working fine, you might have to contact a repair technician to come and service your appliance. Good luck with your repair.

Related Parts: Control, Electric
1 person found this helpful.
Question:

Hello, i am having an issue where the clothes in my dryer are not completely dry at the end of the normal cycle. I cleaned out the dryer vent and checked that the dryer is heating fine. Can you recommend what might be causing this issue? Thank you.

Rick for model number WED6600VW0
Answer:

Hi Rick, Thank you for your inquiry. There are some parts that you will need to check to see which one is causing the issue. You will need to check the heating element, the thermal fuse, the heating element connection wire kit, the internal bias thermostat and the high limit thermostat. I hope this helps. Thank you and have a great day!

Question:

Dryer turned on. Hit start button and slight pop and light flash would not start up.

Jan for model number WED8500SR0
Answer:

Hi Jan, Thank you for your question. It sounds like you may have to check your fuse to see if it has broken or not. If it is not that part you may have to look at your thermostats and your board. I hope that helps. Good luck with your repair.

Question:

Dryer will not heat. I have done tests on all the thermal fuses, thermistor, heating coils, timer, motor switch, incoming voltage.... everything checks out. still can't find the issue. any suggestions?

Mike for model number 110.63956101
Answer:

Hi Mike, Thank you for your inquiry. The only other parts I would consider checking would be a the door switch, the power relay and the terminal block. If they check out okay I would contact a technician to see what is going on. I hope this helps. Thank you and have a great day!

Most Recent

Question:

When your dryer won't start, how do you test to determine which part you need?

Ann-Marie for model number MED6400TBO
Answer:

Hi Ann-Marie, Thank you for your inquiry. To verify what part is causing the issue, you will need to use a multimeter to check the continuity of each part. If you need help using one, there are videos on YouTube that you may reference. I hope this helps. Thank you and have a great day!

Question:

When i try to start the dryer it doesn't tumble or move or all it says is sensing i replaced the thermal fuse and thermistor fuse still nothing when i start working i smelt something from the dryer that was burning

Marstavian for model number GEW9250PW0
Answer:

Hi Marstavian, Thank you for your question. I would suggest taking a look at your belt and motor. It sounds to me that your belt might be worn out. I hope that helps. Good luck with your repair.

Question:

Replaced the thermofuse and thermostat and dryers will not work.. the control panel light up but pust start and nothing happens. help!

Brenda for model number WED6600VW0
Answer:

Hello Brenda, Thank you for contacting us. I would also recommend checking the door switch for continuity to make sure that it has not failed. I hope this helps.

Related Parts: Door Switch Assembly
Question:

My dryer has no heat, I have replaced the heating element and the thermal fuse, what else can I check or replace to fix the no heat problem?Everything else on the dryer works fine.

Shaun for model number WED7300XW0
Answer:

Hi Shaun, Thank you for the question, I would recommend replacing the Internal-Bias Thermostat, PartSelect Number PS11746740.This part controls the temperature of the inside of the dryer drum and prevents the dryer from overheating.When defective you may not have heat inside the drum. Hope this helps!

Related Parts: Thermostat
Question:

My dryer doesn't start the tumbler. The heating element gets pretty hot though. Is this due to a faulty limit switch, thermal fuse? I can hear the timer running if that helps.

joe for model number MED5800TW0
Answer:

Hi Joe, That is a good question. There are a few parts that you will need to check to see if they are causing the issue. You will need to check the dryer belt, the drive motor, the motor pulley, the door switch and the blower wheel. I hope this helps. Thank you and have a great day!

Question:

The Flame comes on but only stays for a few seconds. Replaced the coils, moisture sensor bars but still comes on 5 seconds later the Flame goes off. The Flame does not shoot out?

Lloyd for model number WGD7600XWO
Answer:

Hi Lloyd, Thank you for your inquiry. If your dryer shuts off too soon there are a few parts you will have to look at. You will need to check the internal bias thermostat, the radiant flame sensor, the disposable thermal fuse, the igniter kit and the lint filter. I hope this helps. Thank you and have a great day!

Installation Instructions Provided by PartSelect customers like you.

Average Repair Rating: 3.3 / 5.0, 18 reviews What's this?
1-15 of 18
 

295 of 337 people found this instruction helpful

Parts Used:
Level of Difficulty: A Bit Difficult
Time to do repair: More than 2 hours
Tools: Nutdriver, Socket set
Customer: Steven from East Norriton, PA

Dryer overheated, blew out thermal fuse

I started to repair this and got busy and ended up calling a repair service -- that was the first time. They repaired it for over $200 and said the cause was bad venting. I fixed the vent before using the fixed dryer but it blew again. So I ordered these parts and replaced them myself for a lot of savings. However, the dryer still overheated. Through lots of testing I found the root cause the repairman missed: The heating element had gotten so hot that the assembly holding it warped, hitting the element and shorting it. So a new element is on order. I still needed the parts I ordered here but the overall repair ended up more complicated and expensive. I was disappointed a paid repair person left without further diagnosis. If he had unplugged the vent and checked the heat on the exhaust vent (as I ended up doing) it would have been obvious more than a new thermal fuse/thermistor was necessary. Instead I wasted over $200 on his visit. So my advice is if you're at all handy, repair this yourself. The dryer has a service manual inside the front toe board that walks you through most diagnostics and tests. However, it took a little more than that for me to discover the heating element problem. This was a very dangerous situation that could have easily led to a fire, yet not found by a trained technician!

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25 of 34 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: A Bit Difficult
Time to do repair: 15 - 30 mins
Tools: Nutdriver, Screw drivers, Socket set
Customer: Jim from Tucson, AZ

Unit would shut down in the middle of cycle and flash e1 trouble code

Had to remove the back of unit to access the area of subject part by removeing 12 to 14 screws also the gas line had to be removed. Two screws held the part in place. Unit now runs normal.Saved alot on repair costs!!!!!

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21 of 26 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: 30 - 60 mins
Tools: Nutdriver, Screw drivers, Wrench set
Customer: prem from brandon, FL

Dryer dial when set and turn on it turn off in about 2 minute.

dryer remove bottom panel and r&r thermistor very easy to do. your self diagnose help I could not have done it

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17 of 19 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: Easy
Time to do repair: 30 - 60 mins
Tools: Nutdriver
Customer: Dixon from Santa Fe, NM

Dryer turns off after 1-2 minutes

I tried to follow directions followed by others on this site after diagnosing the problem via suggestions provided by users. I have a Whirlpool Duet dryer from 2002. We've had problems since moving about 3 years ago. I removed the front panel (lower) by unscrewing the two bottom screws (1/4" sheet metal screws). Then I took out the lint screen and the metal tube/contraption immediately beneath to get access to the area where thermistor is located. See the drawing/chart to help you locate this. It's really easier than it seems. Make sure you have the chart/drawing for your model - it makes difference! The thermistor came out pretty easily with a nutdriver that has a swivel offset shaft. Ask your hardware store tool dept. about that one. Put everything back in reverse order of course and test either with/without the front panel re-attached. In my case it fixed at least part of the problem. I was able to get clothes almost dry with most settings but I have yet to install the moisture sensor to see if that helps in addition to the internal-bias thermistor. I am the kind of person that does one thing at a time so at least I now know the thermistor was bad. Good luck and hang in there with your own repair. It's a lot cheaper even if it takes you longer to do than a pro.

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9 of 13 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: Really Easy
Time to do repair: 15 - 30 mins
Tools: Screw drivers
Customer: Joyce from Holbrook, NY

When using the dryer the cycle would stop and display e1 as the reason

Unscrewed the bottom panelof the dryer and located the thermistor through the schematic for my machine. Removed the old one and put the new one in the same way. No more E1 problems and all cycles now complete themselves.

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8 of 14 people found this instruction helpful

Parts Used:
Level of Difficulty: A Bit Difficult
Time to do repair: Less than 15 mins
Tools: Screw drivers
Customer: Eugene from Columbus, NJ

Switch broke and would not light the refrig compart

The repair descripition was accurate. The difficult part was getting the old switch out. It has a release clip that is hard to reach. It took several tries and a bit of force to get the old part to release from the cabinet.

In stalling the new part was easer that the instructions explaned. There was no need to split the original plug. I unplugged the old switch, plugged in the new and snapped it into place. 30 seconds after I started the reinstall it was in the cabinet and working

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5 of 8 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: Easy
Time to do repair: 15 - 30 mins
Tools: Pliers, Socket set
Customer: Dwayne from Bainbridge, PA

Dryer would shut off mid way through cycle and give an e1 error code

After turning off the power to the dryer I removed two screws to the bottom front panel and droped it out of the way. I remved three screws hloding the lint screen in place just for better axcess to the element. I then removed the two wires attached to the element and then the two screws holding the element in place. I put everything back together in reverse. I also took the time to clean any dust and lint out.

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3 of 3 people found this instruction helpful

Parts Used:
Level of Difficulty: Very Easy
Time to do repair: 15 - 30 mins
Tools: Screw drivers
Customer: ALAN from MIDLOTHIAN, VA

Dryer too hot

I replaced both the thermal fuse and the thermistor at the same time. That seemed to fix the problem; but after a couple of days the dryer would not start. When pushing the Hold to Start button, the dryer just gave one beep and would not start. I did a resistance test on the old thermal fuse, and it was OK; so I put the old thermal fuse back in and the dryer works. Evidently, it was just the thermistor (thermostat, internal bias) that was broken. Both are very easy to change.

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2 of 3 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: 15 - 30 mins
Tools: Nutdriver, Socket set
Customer: Carl from STAUNTON, VA

Dryer would not start

Unplugged dryer, removed bottom front panel, removed fan cover. I used a 1/4 ratchet to remove 2 screws and the old fuse. Installed new fuse, fan cover, and front panel. Dryer works great!

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2 of 3 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: Easy
Time to do repair: 15 - 30 mins
Tools: Socket set
Customer: Rory from LEESBURG, VA

Dryer kept throwing the e1 error indicating the thermistor needed replacement

Unplugged the Dryer first. Removed the two screws from the bottom panel using a 1/4 socket and removed the panel by pulling down and out. Reached behind the blower and removed the connectors from the old thermistor and then the thermistor itself by removing the two 1/4 inch hex head screws. Replaced with new part and after screwing back in, reconnected the wires and replaced the panel. From start to finish, it took me about 20 minutes.

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1 of 1 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: Difficult
Time to do repair: 30 - 60 mins
Tools: Screw drivers, Socket set, Wrench (Adjustable), Wrench set
Customer: Madeline from PANA, IL

Youtube video dated 9/28/2015

How to repair E1 error/fault on Whirlpool Duet dryer model GEW9200LW0 please watch that video very helpful.

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1 of 1 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: 30 - 60 mins
Tools: Nutdriver, Screw drivers
Customer: Craig from COVENTRY, CT

Dryer had no display.

Replaced all 4 sensors. Still no display. Ran my thumb across all control buttons several times. Machine showed life. Looking good, but low heat. Replaced the heating coil, and now we have a new, 13 year old machine.

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1 of 1 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: A Bit Difficult
Time to do repair: 30 - 60 mins
Tools: Nutdriver, Pliers, Screw drivers, Wrench set
Customer: Michael from ONEONTA, NY

The dryer would shut off mid-cycle.

I googled the problem and determined that the thermistor was faulty. I found your web site from which I ordered the replacement part. The part arrived within a week. The replacement was not particularly difficult, but the space was very tight (without removing more panels and covers). I just kept at it and got it installed and the dryer works fine now. There are several pertinent videos on you tube, none of which were my particular model, but the combination of them led me to a successful installation.

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1 of 1 people found this instruction helpful

Parts Used:
Level of Difficulty: A Bit Difficult
Time to do repair: More than 2 hours
Tools: Nutdriver, Pliers, Screw drivers, Socket set, Wrench set
Customer: Richard from ABSECON, NJ

Dryer would not heat

Replaced Coil kit and internal bias thermostat. Checked overheat fuse. Still not heat. R/P igniter and igniter thermostat to be sure not bad. Still no light or heat to ignitor. Pulled wires from two thermostats in series where flame comes out and found them burnt and one completely open. Repaired wire and dryer works. Had relied on various videos to get me through process. Parts were not that expensive so I don't really think a waste of money compared to calling a repair person.

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3 of 11 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: Really Easy
Time to do repair: 15 - 30 mins
Tools: Screw drivers, Socket set
Customer: Brad from Wausau, WI

Gas dryer shut off mid cycle in timed cycle mode

Removed the lower front cover of the dryer. Removed the lint filter and removed the cover from the air duct by removing two 1/4" bolts. Removed the two 1/4" bolts retaining the thermistor. Installed the new thermistor and covers.

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1-15 of 18

Model Cross Reference

This part works with the following models:

PartSelect Number: PS11746740
Manufacturer Part Number: WP8577274
Brand Model Number Description
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