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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 https://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 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!

6 people found this helpful.
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.

5 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!

5 people found this helpful.
Question:

Is there a way to test the thermal interna bias switch to be sure it is the problem

Jerry for model number Ler7646ez2
Answer:

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!

3 people found this helpful.
Question:

How do you test thermostat internal-bias

vic for model number lgr4634pq0
Answer:

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!

1 person found this helpful.
Question:

Is there a difference between the part number 3387134 that has a label that's says 250v and the original part that says on it 125v? Will it over heat with the higher voltage t stat?

Roger
Answer:

Hi Roger, Thank you for your question. That part number is the same part as the the one we have on our website. The manufacturer just updated the part number with a WP at the beginning. You should have no problems with this part. If you want to be sure that this part goes to your machine, try searching with the model number of your appliance and see the parts listed. Good luck with your repair.

1 person found this helpful.

Most Recent

Question:

This dryer works the whole cycle, but still the cloths are wet and cold. No heat. One time this had happened I had replaced fuse.

Abe for model number WED5530SQ0
Answer:

Hi Abe, Thank you for the question. Sounds like you need to replace the Thermal Fuse.When this fuse is faulty, your dryer will not start or it will not heat properly. This is a one-time fuse, meaning it cannot be re-set. It must be replaced when there is no longer continuity between the terminals. Hope this helps!

Related Parts: Thermal Fuse
Question:

Dryer stopped working. I replaced the thermal fuse. Dryer worked fine one time and stopped working again. I replaced the thermal fuse again and vacuumed the duct work inside the dryer and dryer pipe leading outside. Pipe is solid not Flex pipe. Again after one load the fuse blew. Could this be the heat sensor unit?

Jim Heinold for model number keys677ezo
Answer:

Hi Jim, Thank you for your inquiry. If your dryer is constantly blowing fuses, it sounds like an issue with a circuit breaker on your electrical box and you may have to have an electrician examine it. I hope this helps. Thank you and have a great day!

Question:

My Roper dryer runs but doesn't heat. Will this correct the problem?

Roger
Answer:

Hello Roger, thank you for contacting us. Yes, that could cause this issue, there is usually a few of these in a dryer that can be tested with a multi-meter, as well you can check the heating element. Good luck with the repair!

Question:

My Crosley dryer will heat for twenty minutes than shut down the rest of the cycle. I can go and start the dryer again and it will repeat the process. I have installed a new fuse and coils. I now think it may be the internal thermostat. Any suggestions

Donna
Answer:

Hello Donna, thank you for contacting us. 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. Hope this helps!

Question:

I already replaced the fuse.The door switch,but it will not start.So I wanted to check the timer.How.

Karen for model number RED4440VQ1
Answer:

Hi Karen, Thank you for the question, This dryer timer is used to control the unit's cycles by regulating the length of time that power is directed to each setting. You will need to use a multi meter if you wish to test the timer. Hope this helps!

Question:

How do you check the timer switch,everything else checked out good. My dryer will not start.

Karen for model number RED4440VQ1
Answer:

Hello Karen, thank you for contacting us. If the dryer will not start and nothing works the most common part for that would be the thermal fuse PS11741460. It is a safety mechanism that stops the flow of electricity to the heating element when a dryer overheats. When this fuse is faulty, your dryer will not start or it will not heat properly. This is a one-time fuse, meaning it cannot be re-set. It must be replaced when there is no longer continuity between the terminals. Hope this helps!

Related Parts: Thermal Fuse
Question:

My dryer would get too hot and overheat. I would need to turn it off to cool down and restart. We replaced the thermostat, and internal-bias and thermal cut-off kit(but my husband did not use the new red wire in the kit) dryer worked fine for a few minutes with heat and now no heat at all. Suggestions? Thanks

Tracie for model number LTE6234DQ0
Answer:

Hi Tracie, Thank you for your inquiry. If your husband did not use the red wire in the thermal cut-off kit, that may be causing the issue. I would also check the heater to see if that is working correctly as well. I hope this helps. Thank you and have a great day!

Installation Instructions Provided by PartSelect customers like you.

Average Repair Rating: 3.7 / 5.0, 146 reviews What's this?
106-120 of 146
 

0 of 1 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: Easy
Time to do repair: 15 - 30 mins
Tools: Nutdriver
Customer: david from cincinnati, OH

Dryer took too long

took of the back and replaced the therostat

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0 of 1 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: 15 - 30 mins
Tools: Screw drivers, Socket set
Customer: deborah from dayton, OH

Takes extra long to dry. On auto setting continues to run.

Had already replaced the heating element, Hi/Lo thermostats, and now the Thermal Fuse and Cycling Thermostat, and still have the same symptons.

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0 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: Donald from Golden, CO

Clothes wouldn't dry completely

Used a 1/4 inch nut driver to remove back and remove element and cycling Thermo. Prior to ordering parts, I looked at the instruction videos provided with each part. ding the backand 3 holding the heat control and element. The belt is a little different, you have to open the machine from the front. There are 4 screws that need to be removed. The videos show exactly what to remove and how to check belt alignment. ---- With the videos, and list of parts that could fail, you can't miss. I have ordered all of the parts to fix the cold air cycling system in our Ref/Freezer. The cost of all the parts is so minimal compared to a service call, it doesn't make sense to eliminate a few parts that they list as possible problem parts when you are not 100% positive what is causing the failure.----- The dryer works exactly like it did when it was new.

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0 of 1 people found this instruction helpful

Parts Used:
Level of Difficulty: Easy
Time to do repair: 1- 2 hours
Tools: Nutdriver, Pliers, Screw drivers
Customer: LARRY from DYER, TN

Not drying clothes fast enough

First I removed the back medel cover from dryer by removing 9 screws-holding back cover on-easy. Then took multimeter put on ohms to test cycling thermostat which showed to be no good replaced it- and then sense I had ordered the thermal cut off kit which was not bad I replaced it anyway because I had the back off the dryer ,anyway removed wires being sure to remember where the wires went back- hardest thing to keep stright. But not to difficult. Put back cover back on done with that. Also put new multi rib belt on- easy- take off top and front of dryer. Runs&heats-like new!!

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0 of 1 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: Really Easy
Time to do repair: Less than 15 mins
Tools: Nutdriver, Screw drivers
Customer: Jeffery from Cincinnati, OH

Dryer would not heat up.

First I unplugged my dryer. (220v) I then layed the dryer on its front. I then proceeded to remove the back cover after removing the duct clamp. The two screws holding the Cycling thermostat was removed after the two wire connections were slipped off. I placed the new cycling thermostat in place and put everything back in place and behold...Heat! This was a simple job for even the somewhat clumsy repair person. Good luck and Thank you Partselect! P.S. my order was placed on Friday and it was on my doorstep Saturday morning.

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0 of 1 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: 15 - 30 mins
Tools: Screw drivers, Socket set
Customer: Penny from Monee, IL

No heat

The repair itself was no problem - in changing out the parts but when we were done the dryer still didn't heat. Ended up calling in a repairman and he said we probably would never have found the problem as it was the flame sensor. He also replaced the coils. So now I have those new parts plus the thermal fuse and cycling thermostat that I ordered from your site. Should be good for another 18 years!! Thanks for making your sight so easy to maneuver in and to order the parts.

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0 of 1 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: 15 - 30 mins
Tools: Nutdriver, Pliers
Customer: Ana from Salt Lake City, UT

Dryer has no heat

It was such an easy and quick repair. It took me about 20 min to complete the repair. The easy to follow " How to" video made it easy to replace the parts. Not knowing which part was bad I replaced both. Now my dryer is heating faster than ever.

Thank you so much!!!!

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0 of 1 people found this instruction helpful

Parts Used:
Level of Difficulty: A Bit Difficult
Time to do repair: 30 - 60 mins
Tools: Nutdriver, Screw drivers
Customer: Sean from Richboro, PA

Took too long for clothes to dry

removed the back panel of the dryer. removed the thermal fuse and removed wires. inserted the new thermal fuse and reconnected the wires. removed the thermostat. inserted the new thermostat and then removed the wires from the old thermostat one by one then coneected them to the new thermostat. the dryer is working better, but not tip top. may be some other issues with the dryer.

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0 of 1 people found this instruction helpful

Parts Used:
  • Thermostat, Internal-Bias
Level of Difficulty: Easy
Time to do repair: 15 - 30 mins
Tools: Nutdriver, Pliers
Customer: Micheal from COLLINSVILLE, IL

The dryer had inconsistent heating.

After watching the video on your website and doing just a little troubleshooting on the components of the dryer (thermostats, heating coil, fuse) I determined this thermostat to be the problem. I ordered it from your site and had it in a few days. Took me only a few minutes to put it in and the dryer is working great now!

Thanks for all the helpful information on your site!

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0 of 1 people found this instruction helpful

Parts Used:
Level of Difficulty: Easy
Time to do repair: 15 - 30 mins
Tools: Nutdriver, Screw drivers
Customer: JOSEPH from PARRISH, FL

No heat

Parts were ordered and recieved the next day. Installation was a breeze, and the handy on line video was a great help.

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0 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: Nutdriver, Pliers
Customer: Gary from Tangent, OR

Heavy clothes not dry

Followed the repair video, went great, fixed the problem.

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0 of 1 people found this instruction helpful

Parts Used:
Level of Difficulty: Easy
Time to do repair: 30 - 60 mins
Tools:
Customer: Shawn from Cincinnati, OH

It was taking to long to dry clothes

Using a adjustable speed drill, removed all the screws off the back panel of the dryer. Then took some pictures of wiring with my cell phone, (for reference on how everything was connected together). Removed the cycling thermostat and replaced it. Then removed the Heating element, put the new High limit thermostat on the new Heating Element and installed it on the dryer. Replaced the back panel and all the screws.

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0 of 1 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: 15 - 30 mins
Tools: Nutdriver
Customer: CLYDE from HARVEY, LA

Dryer would not turn on.

I bought two parts as listed, istalled the thermostat first and got nothing. Then I installed the thermal fuse and success. The fuse was rated at a 46% cause of the problem but I am still glad I replaced both parts. .

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0 of 1 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: Less than 15 mins
Tools: Nutdriver, Pliers
Customer: Terry from Hawthorne, FL

Dryer not coming on at all

Thought it might be the push button start relay. But, before I ordered any parts I went on YouTube and looked for Whirlpool dryer repair. I found British James. He told me exactly what was wrong (thermal fuse) and what had caused the problem (Cycling thermostat). I changed both parts as per his instructions and everything works great. It's unbelievably the amount of good information you can find. By the way, PartSelect shipped my parts to me incredibly fast. I mean like amazingly fast. I'd use them again for sure.

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0 of 1 people found this instruction helpful

Parts Used:
Level of Difficulty: Easy
Time to do repair: 30 - 60 mins
Tools: Pliers, Screw drivers, Wrench set
Customer: Brandy from Jonesboro, AR

Dryer would spin and blow air but would not heat

I and my husband after noticing the dryer would not heat, waited awhile to move to make sure it wasn't faulty wiring in our old rental. When we moved and it didn't work still we examined the heating element and noticed it was burned out. We did not have a tester we just went by visual inspection. We ordered the heating element and attached it and it still did not work. After reading several repair stories on PartsSelect we realized that the Thermal cut off may have been tripped and therefore needed to be replaced. We purchased the thermal cut off kit which included two types of fuses for our dryer and a replacement connector in case we needed to splice the wiring. We also purchased a cycling thermostat just in case. When we got the parts the instructions were fairly easy to understand but it took us a while because the part required us to splice the wire and connect a new end onto the existing wire. (The new thermal cut off did not have the old welded metal connection and instead had a wire that connected the existing wiring to the new cut off) We cut the old wire to remove the head, cut a small portion of the protective rubber around and slid it off the end. We then attached the new head and manually crimped the metal closed. We had to do this to our existing wire and the wire sent with the kit making sure we added the female and male ends to the right wire (per instructions). The new cut off connected to the heating element with screws instead of sliding in and around the bent openings. We then simply reconnected all the wiring as illustrated. The other thermostat and fuse connected the same as the ones we removed.

All I can say is it worked, and it heats and drys well. Thank you parts select for sending the item so quickly. Two days after ordering! Will definitely order from you guys again!

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106-120 of 146

Model Cross Reference

This part works with the following models:

PartSelect Number: PS11741405
Manufacturer Part Number: WP3387134
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