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Customer Questions and Answers for Thermostat Kit by Whirlpool

  1. Our Price $32.96
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    • Part Number: AP4009073
    • MFG Part Number: 12001937
    • Made by: Whirlpool
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Questions & Answers

For Whirlpool Thermostat Kit (Part Number: AP4009073)

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Using your recommendations I tested my Fridge's thermostat to be not working. I then purchased a Whirlpool 12001937 thermostat for from another reseller as I'm in Canada. The new thermostat does not show continuity when immersed in a glass of ice water (I tried every few minutes for half an hour). Should I send it back? Install it anyways? Thanks for the help, now I know to purchase from your site in the first place...

Frank for Model Number 596.62822200

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Hello Guys, On my unit the fridge is now warm and the freezer is very cold. The service test #1 Defrost Thermostat & Defrost Circuit Test say Defrost Termostat shorted (closed). Any idea of the problem ? Thanks to all your team and best regards !

Martin for Model Number Whirpool GB2SHDXPS

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What thermosat does this take? The refrigerator started getting warmer inside then just quit cooling.

Robert for Model Number Amana Model# TX21VW

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This is a follow up question on my KitchenAid Bottom freezer fridge. I followed the steps you suggested and tested the defroster thermostat. It was ok. The fridge worked fine a for a few days after I turned the freezer off. It is now frosted up again blocking the cold air flow to the upper fridge. Could it be the defrost heater (same as the evaporator heater?). How does one get access to the defrost heater to test it? Is it from the back of the freezer? If this is not the problem, what could it be? One of the other thermostats? Thank you again for your suggestions.

Arpegio for Model Number KBRA20ELSS00

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This is a bottom freezer kitchenAid. It appears that the Defrost Thermostat (part 12001927) needs to be replaced. I cannot find instructions on how to do this. Is it done from the inside the freezer compartment? or from the back of the Fridge? Thank you for step by step information.

Arpegio for Model Number KBRA20ELSS00

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Fridge is working fine but freezer is not getting cold enough to freeze food. What could be wrong?

Spm for Model Number amana bottom freezer

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Hello, My refrigerator is too cold despite the electronic control being lowered. A run of the diagnostic test indicated that the Defrost thermostat/ Defrost Circuit was Shorted. Would replacing with this part be the fix: AP4009073? Also, on your diagram for this part, it is indicated as number 30, however there does not appear to be a number 30 on the diagram. I only see up to number 28. Thank you.

Matt for Model Number ABB2224DEB

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I had a repairman come and fix our refrigerator its a maytag. He put in thermostat part number 12001937. Every thing I read says this thermostat is not compatible with my fridge. It should be part no 67004757. Do you know if this will be ok or will I be calling for another repair soon?

Moo for Model Number msd2650heb

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I think my thermostat is going bad or is bad. Nothing freezes up anywhere, the compressor just stops working. This is especially the case when we put something mildly warm (leftover ) in a container in the fridge. When we do that the compressor does not kick on to cool down. We have to unplug for 30 minutes and the fridge resets. Like Clockwork, the compressor will come back on and cool things down. Lately though, I believe it's been getting warmer without the warm things being put in. Just open the fridge and it may be 58 or 60. It will eventually start back up. and cool down but I'm afraid this can't be safe. I have turned to the coldest setting and still this happens. Advice, suggestions? Thanks Gordon

Gordon for Model Number ARB2557CW

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How to test defrost thermostat 12001937? Does it have to be replaced together with heater? I have recently bought a defrost thermostat 12001937 here and did a Continuity test right away. I followed exactly as instructed on YouTube from RepairClinic (URL attached). However the result is failed. I also checked PartSelect (URL attached). It says "This part is snapped onto the top portion of the evaporator. The thermostat sends temperature information to the processor. The defrost heater must be replaced when replacing the thermostat." I am now confused. Did I buy a defective one? How do I test 12001937 defrost thermostat? Do I have to replace the heater if it is tested ok? Thanks

Liang for Model Number kenmore 596.72252200

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