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11741405-1-S-Whirlpool-WP3387134-Thermostat, Internal-Bias
11741405-1-S-Whirlpool-WP3387134-Thermostat, Internal-Bias 11741405-2-S-Whirlpool-WP3387134-Thermostat, Internal-Bias 11741405-3-S-Whirlpool-WP3387134-Thermostat, Internal-Bias http://www.partselect.com/Schematics/Maytag/RSDYZ2AA.gif

Thermostat, Internal-Bias

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PartSelect Number PS11741405
Manufacturer Part Number WP3387134
Manufactured by Whirlpool

A cycling 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 and will then turn off and then on again once it has dropped by 25 degrees. If your dryer is not giving off enough heat, is over-heating, is not turning on, or is having issues with the timer functionality, this could indicate an issue with the thermostat. The installation of the cycling thermostat is simple and the only tool required is a 1/4 inch nut driver (and gloves for safety).

This part works with the following brands: Whirlpool, Kenmore, Maytag, KitchenAid, Roper, Estate, Crosley, Inglis, Amana, Admiral, Magic Chef, Jenn-Air.

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

This part fixes the following symptoms:

  • No heat or not enough heat.
  • Takes too long to dry.
  • Will Not Start.
  • Timer will not advance.
  • Too hot.
  • Shuts off too soon.
  • Will not shut off.
  • 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 Recent

Question:

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?

Leo
Answer:

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.

3 people found this helpful.
Question:

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.

Dylan
Answer:

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!

2 people found this helpful.

Most Helpful

Question:

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?

Kealan
Answer:

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!

4 people found this helpful.

Installation Instructions Provided by PartSelect customers like you.

Average Repair Rating: 3.7 / 5.0, 143 reviews What's this?
 

2 of 4 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: 15 - 30 mins
Tools: Nutdriver, Screw drivers
Customer: Brett from amanda, OH

Dryer wasnt drying very well

I took the back off 1st put the element and thermostats in... 2nd I took the front off the dryer and replaced the belt.....3rd I blew out all the lint and dust and then put it back together it was a cake walk...I want to add that the parts arrived extremely "FAST" and "ACCURATE"... which made the job that much easier.....

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5 of 13 people found this instruction helpful

Parts Used:
Level of Difficulty: Easy
Time to do repair: 15 - 30 mins
Tools: Nutdriver, Pliers, Screw drivers
Customer: Donald from Lusby, MD

The dryer stopped heating. I removed the back of the dryer to find a fried thermostat and wire.

I went on partsselect.com's web site, punched in the model number and easily found the parts I needed. Parts arrived in two days. Repairs went well, especially when my wife was my tool assistant! I recommend this site as a must for do it yourself repairs that will save you a lot of money.

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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: 15 - 30 mins
Tools: Nutdriver, Wrench (Adjustable)
Customer: charles from waukesha, WI

Dryer would heat up once on a full hour cycle

i took a stab that it was the thermostat,but it wasn't.after finding out it was the coils i purchased them and lifted the top of the dryer and undid two screws in the upper front of the dryer and lifted the front off all while holding the tub in place.The coils are located in the very front left of the dryer,i took the holder bracket off,disconnected the wires and replaced the coils(they just sit on a rod)dryer works like new and thanks to the new thermostat also gets hotter,i'm guessing that was next.

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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: Lyndon from Bloomington, IN

The dryer wouldn't heat at all.

I read troubleshooting tips from other users of this website. This website had all the information I needed to accomplish the repair.

I unplugged the dryer, then tipped it onto its front. I then used a nut driver to remove the dryer backing. After removing the dryer backing, I used the same nut driver to remove the heating element cover since it was the part I initially suspected. The same size nut driver worked on all the parts.

Per recommendations I read on the site, the first thing I did was a continuity check on the heating element. It was good. After reviewing some input from this site, the next best step seemed to be replacing the Cycling Thermostat. I ordered and installed it, but it didn't fix the problem. The cool thing? PartSelect.com got me the part within a couple of days. So, I came back to PartsSelect.com and ordered the next two cheapest parts (ordered two parts at once to save on shipping and handling). The parts came within 4 days. I used the Thermal Cut-Off Kit in its entirety and the problem was fixed! THANK YOU PARTSSELECT.

Here's an impact statement: The day after the dryer had stopped working, I called a repair shop. They told me that if they came out that day, the cost would be $85, plus parts, plus labor. I figured that would run around $140 - $150. Total for PartSelect.com? Around $60 (including shipping and handling) -- and I didn't even use all the parts I ordered.

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1 of 1 people found this instruction helpful

Parts Used:
Level of Difficulty: Easy
Time to do repair: More than 2 hours
Tools: Nutdriver, Screw drivers
Customer: richard from media, PA

Dryer stopped heating

Went to literature for info only to find that there was no electrical schematic or part numbers given for repair. Disconnected vent and removed back (6 hexhead screws). Removing and testing my parts then matching the parts with pictures found on parts select and using the numbers found on the parts, was able to order a new thermal fuse and also replace the cycling thermostat. Tested the unit, replaced the back with screws, cleaned & connected the vent then went on to start dirtying more clothes.

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2 of 4 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: Less than 15 mins
Tools: Nutdriver
Customer: Joseph from Mountain Top, PA

Dryer would not run

First I checked for power at the outlet (240volts-power good). I then removed 9 screws holding the back cover. I then turned the timer to run position and pushed the start button this allowed me to hear the timer andvance. So I disconnected power to the dryer and removed the wires to the thermal fuse. I then took a ohms reading across the fuse...it showed open. Removed one screw replaced fuse.

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1 of 1 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: Really Easy
Time to do repair: 15 - 30 mins
Tools: Socket set
Customer: sheldon from macon, GA

Dryer want heat up

they sent the wrong part . when i got the right part i removed the two screws holding the element . took the Thermostat out . removed the plugs . put the new thermostat in plug in the plugs. screwed the element back in place . And now i need to replace the fuse located at the top of the element casing.

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1 of 2 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: 15 - 30 mins
Tools: Nutdriver
Customer: Jonathon from AURORA, IN

Dryer only blowing high heat

The dryer was only blowing high heat, no matter what temperature selection I chose. I removed the back panel, matched up the parts, and replaced them. I did all of this in about 15 min, with a 1/4" nut driver. Piece of cake. I'm not sure which piece fixed my problem, but for $25 changing them both was worth it to me. While your back there I recommend cleaning out, or checking the dryer vent, just to be safe.

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1 of 2 people found this instruction helpful

Parts Used:
Level of Difficulty: Easy
Time to do repair: 30 - 60 mins
Tools: Pliers, Screw drivers, Socket set
Customer: Mark from Mountain View, CA

Takes too long to dry

I was directed to the cycling thermostat for my problem. The thermal fuse was another possibility. I was too lazy to check them with a VOM before ordering so I ordered both. The repair video was helpful and the assembly diagram was useful for locating the parts. I removed the 9 back panel screws with a 1/4" socket wrench and removed the panel. Each part is held with a sheet metal screw which are removed with a screw driver. The connectors were very tight and I used pliers to pull them off the parts. The parts pop out of the mounting slots and are easily replaced and secured with the screws. I labelled all the wires (2 for the thermal fuse and 4 for the thermistor) but the polarity probably does not matter. I replaced the wires, replaced the back panel and replaced the 1/4" screws. The dryer works again. I checked the old parts with a VOM and found that only the cycling thermistor was bad, so now I have a spare thermal fuse.

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2 of 5 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: A Bit Difficult
Time to do repair: More than 2 hours
Tools: Nutdriver, Pliers, Screw drivers, Socket set, Wrench (Adjustable)
Customer: kenneth from pacifica, CA

Flame would not stay lit

Replaced 2 thermostats, flame sensor, gas vale and solenoids. After each part was replaced, I started the dryer to see if the replaced part solved the problem. It did not, or so it seemed. Now, and this is important evidently: all the time I ran the tests post part replacement, the dryer was without the tumbler or any front end ducting in place. Out of frustration and a tickle of intuition, I reassembled the dryer, ran the test, and intuition proved itself as the dryer is working properly. My conclusion: You cannot run an accurate test result without the tumbler and ducting in place. I don't know why, but this seems to be necessary. new gas valve gave the dryer a much healthier flame.

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1 of 2 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: Less than 15 mins
Tools: Pliers, Wrench set
Customer: Jenene from Baltimore, MD

No heat

My dryer did not heat my clothes. I replaced the heating element, three thermostats, and a fuse. The whole installation took less than 15 minutes and was very easy!

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1 of 2 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: More than 2 hours
Tools: Pliers, Socket set
Customer: Firmin from Lansing, MI

No heat problem

First off I was really impressed about the videos provided. They helped make the repairs with more confidence. I changed just about every part related to an heating problem before I hit the defective part. Part I changed were Heating Element - 5600W 240V, Cycling Thermostat, Thermal Fuse, High Limit Thermostat. After replacing all these parts, still no heat. I then read that the Thermal cutoff kit has an additional sensor that you can't get separately but as a part of a kit which forces me to purchase an item twice. After another week spent waiting for the second order to arrive, the part came and I was able to replace and regained heat fairly quickly. Yeah! I do have an ohm meter but the dryer is at a location that is very difficult to reach when plugged in so changing the parts one by one was the safest way to go. It is fixed now and we are all happy. My only complaint is that the thermal kit was not mentioned as a possible issue or else I would have ordered it on the same order. In any case this earned me major brownie point to my significant other double Yeah!!!

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1 of 2 people found this instruction helpful

Parts Used:
Level of Difficulty: Easy
Time to do repair: 1- 2 hours
Tools: Nutdriver
Customer: William from Coalinga, CA

Dryer would not start

I had worked as a stationary engineer/refrigeration mechanic for large commercial building/plant systems for several years at journey level. I also had worked as an instructor in this field. However I have not done much of this type work for several years. Using the wiring diagram contained within the control panel at the top of the dryer, was able to trace the sequence of operation to the component i suspected (thermal fuse). It was the thermal fuse per check with ohm meter. Instructions on the dryer internals indicated if thermal fuse blown to also replace cycling t stat. I also found that the blower unit was full of microdirt/lint, which was restricing airflow-vacuumed. ordered the parts overnight, and replaced. works fine now.The unit is my household electric dryer, made by whirlpool but sold under the kirkland costco brand. When i worked as a journey level technician, i always noticed that whirlpool product are generally a better quality than most, and have better parts availability, and ease of repair. this still holds true.

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1 of 2 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: Easy
Time to do repair: Less than 15 mins
Tools: Nutdriver, Screw drivers
Customer: Jeff from Pinon Hills, CA

Dryer would not heat, drying cycle never stopped

Our dryer suddenly stopped heating up, and subsequently would not dry any clothes! The timer would run down to 0, but the dryer would continue to tumble until we manually stopped it. After finding the partselect.com site and checking the 'Parts that Fix' page for our dryer model, I followed the excellent video walkthrough, removed and tested the Thermal Fuse which, sure enough, was bad. I ordered a new fuse and it was delivered two days later (standard shipping). Placing the new Thermal Fuse was simple and I had the dryer running again very quickly, and while it would now stop at the end of the cycle, it was not fully heating up and drying still. I ordered the Cycling Thermostat (next most likely cause, according to the site) and again two days later had it in hand, replaced, and the dryer works perfectly! In the end, our problem was both a bad Thermal Fuse and faulty Cycling Thermostat. The PartSelect site was a perfect tool to not only find the part, but recommend which was most likely to solve the problem, show diagrams of the part locations, and give an excellent video walkthrough of replacing the parts. I highly recommend this site!

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1 of 2 people found this instruction helpful

Parts Used:
Level of Difficulty: Easy
Time to do repair: Less than 15 mins
Tools: Nutdriver
Customer: Charles F from Belle Mead, NJ

Drier without heat

all sensors/fuses were measuring open at room temperature with an ohmmeter.
Called Whirlpool for drawing and install and got nothing.
Found nice video on you tube.
Unscrewed and replaced each device one by one.
The terminal mod went exactly as portrayed.
Owner pleased.

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Model Cross Reference

This part works with the following models:

PartSelect Number: PS11741405
Manufacturer Part Number: WP3387134
Brand Model Number Description
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