This resettable hi-limit thermostat acts as a safety mechanism that keeps the dishwasher from overheating. This part will cut out if the internal temperature reaches 200 degrees Fahrenheit. It will reset when the temperature drops to 100 degrees Fahrenheit - the differential of 100 degrees.
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Replacing your Frigidaire Dishwasher High Limit Thermostat
Troubleshooting
This part fixes the following symptoms:
Not drying dishes properly | Not cleaning dishes properly
This part works with the following products:
Dishwasher.
Part# 154290204 replaces these:
AP2109201, 12758, 154290201, 154290202, 154290203
Customer Reviews
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★★★★★
★★★★★
Paul E R - December 20, 2018
Verified Purchase
no attach piece.
i think some parts were missing. I've received the thermostat alone, no attach piece. 7 days delivery.
★★★★★
★★★★★
Logan S - March 26, 2018
Verified Purchase
WORKED GREAT!!
Unfortunately the heating element was blown too. This part is available on another site for $17.
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Customer Repair Stories
Average Repair Rating: 3.1 / 5.0, 6 reviews.
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Dish washer not heating dishes wet when cycle was completed
Internet search found high limit switch as primary failure, removed dishwasher existing part looked new, no signs of wear as was expected. Second failure was the heating element, I ordered the part; At the same time I found a random youtube video, that had me check the continuity of the heater and tested good. Then the video indicated the
... Read more heater relay may have one leg that has lost the solder and stops the heater element from working. I took the control panel a part and the heater relay had the same failure, one leg had a missing solder joint. Using some flux, solder and soldering iron I repaired the connection and added some addition solder to the circuit. Reassembled and the dishwasher is heating as it was before everything is working as expected! (P.S. The heater relay failure appears to be a common problem, but the actual root cause [relay failure due to poor solder joint] is never reported back to the company, they just hear the heater element stopped working and they never fix the real issue because the customers are throwing out the dishwasher, when it could have been repaired with a simple fix. More importantly it should be something that is investigated as it may needs an engineering redesign. but can't fix what you don't know about or fail to investigate. I did purchase a new relay to replace the existing one, to be installed upon arrival). Once again a random youtube video identifies and resolves a problem, that would have had me purchasing a new dishwasher, and maybe this is all planned engineering obsolescence. When will get smart dishwasher that have sensors or at least codes that report the failures correctly, to make DIY repairs?
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Anthony from JACKSONVILLE, FL
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Nutdriver
4 of 4 peoplefound this instruction helpful.
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Dishes would not dry. Electrical burning smell.
Removed dishwasher and looked for component that had gotten hot. Saw partially melted connector on thermostat. Removed and replaced thermostat. Replaced female spade connector on wire. Replaced dishwasher.
Bar Seven A Companies Attn: C from REDMOND, OR
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Screw drivers
2 of 2 peoplefound this instruction helpful.
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Dishes were not getting clean, always had a film on them and dishes didn't dry.
I removed the kick panel at the bottom front of the dishwasher. Then using a flashlight and a cross point screwdriver, I removed the thermostat from about the middle left. It requires a short screwdriver, but not quite as short as a stubby. I unplugged the wires, noting that one of them was a little burnt looking. The burnt looking conne
... Read morector was still okay. I then installed the new one, with the green dot on the thermostat having the slightly burnt looking connector. Then I ran a load of dishes and the dishwasher worked as it was supposed to. It has worked okay twice since then.
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Roy from PT CHARLOTTE, FL
Difficulty Level:
Really Easy
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers
4 of 4 peoplefound this instruction helpful.
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Heater High-Limit Thermostat Failed
As another poster had written, on terminal on the thermostat was burned off, most likely due to poor contact by the female spade connector on the end of one of the wires. Removed the DW, tipped it back to gain access, removed the failed thermostat, installed the new one, crimped a new terminal on the end of the wire, and re-installed the
... Read more DW. Tested all cycles with the heat on and everything worked as designed. Very simple repair, took more time to get the DW out and put it back in than to replace the part and repair the wire.
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Scott from Hermitage, TN
Difficulty Level:
Really Easy
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers
30 of 34 peoplefound this instruction helpful.
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high limit thermostat was open
Disconnected power to the unit at the circuit breaker. Removed the bottom panel of the dishwasher. Used a stubby Phillip screwdriver to remove the single retaining screw holding the high limit thermostat against the bottom of the dishwasher tub. Not only was the thermostat burned out, one of it's electrical connectors was also destroyed.
... Read moreRemoved the tape holding the cable bundle together so that I could work on the quick disconnect plug outside of the unit. One end of the quick disconnect plug was completely burned through and needed to be replaced. After doing the necessary electrical repairs and assembling the new thermostat into position I applied power and everything worked fine. It helped having a picture on your website that I could use to identify the correct replacement part.
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Robert from Huntingtown, MD
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers
31 of 35 peoplefound this instruction helpful.
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Water in dishwasher did not heat up. Dishes came out dirty and greasy. Some fungus started to grow in dishwasher.
Unplugged the dishwasher. Closed and disconnected the water supply. Removed two screws that attached the dishwasher to the countertop. Pulled the dishwasher out from underneath the countertop. Laid the dishwasher on its side to access the bottom. The high limit thermostat had shorted out and showed signs of electrical burn. I removed th
... Read moree high limit thermostat by unscrewing the single screw that holds it in place. I then pulled the two electrical terminals off the high limit thermostat . One terminal (i.e. small electrical plug connecting electrical wire to high limit thermostat) was burned badly. I cut it off the wire and attached a generic terminal bought at local hardware store (six for $3). The other terminal was fine. I plugged the new high limit thermostat in and attached it with the single screw to the dish washer. Put the dishwasher back in place. Test ran dish washer and dishes came out shiny, clean and dry. Done.
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Ewout from Bozeman, MT
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers, Wrench (Adjustable)
66 of 71 peoplefound this instruction helpful.
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Questions and Answers
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6 questions answered by our experts.
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John Finley
January 5, 2018
What is the continuity range for the thermostat?
For model number Fgbd2431kw1
Hi John,
Thank you for your question. If the display on the ohms meter reads zero then the thermostat has continuity and the low temperature limit is functioning. If the ohms meter displays a number greater than zero then the thermostat is faulty. I hope this helps. Thank you and have a great day!
7 people found this helpful.
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Jessica
August 27, 2019
I need this part, but i also need the wire that connects to it and connects to what honestly looks like a spark plug on the bottom of my dishwasher. I managed to find this part number but i can't find a part number for the wire.
Hello Jessica and thanks for writing.
We would be happy to do some research to find you the correct parts. However, we need your model number and the brand name to locate any information on this. Model numbers can be short or long, and could have a mixture of numbers and letters.
1 person found this helpful.
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Roger
May 7, 2018
Dishwasher heats, timer sticks at 7:00 and 10:00 before drying cycle
For model number fdb750rcc0
Hello Roger, Thank you for your inquiry. We would recommend checking the following parts to fix your issue: high limit thermostat, timer, vent, switch, door latch and control panel. You can test the parts with a multimeter. Hope this helps!
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Kevin
February 20, 2020
The heat thermostat from both models mdb7100awq and fdb1250rec2 appear to be the same part........are they?
Hi Kevin,
Thank you for your question. The thermostats for both models are different. The part number listed under model number MDB7100AWQ for the thermostat is PS11747621. The part number for the thermostat listed under model number FDB1250REC2 is PS420575. We hope this helps. Thank you and have a great day.
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Rickey
February 22, 2024
Does the Thermostat or Thermistor have control or tied in with the drain pump to not let it drain if either one is faulty?
For model number FFCD2413UW3A
Hello Rickey, thank you for getting in touch. The high limit thermostat, part number PS16218719, shuts off power to the heating element if the element overheats. The thermistor, part number PS9864770, monitors the water temperature inside the dishwasher and communicates the temperature to the electronic control. The drain pump is not linked with either of them. We hope this information is useful!
Does a burnt, disconnected high temperature thermostat, cause the control board and switch to not aluminate or function? Should the machine still work with out it?
For model number FDBB1940DS1
Hi Gino,
Thank you for your question. If the main control board is not working and there is nothing on the display, you will need to replace it. The part number listed under your model number for the main control board is PS816016. We hope this helps. Thank you and have a great day!
