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Customer Questions and Answers for Defrost Drain Heater- Probe by Whirlpool

4.89 (64)
By: Whirlpool
Part Number: OEM9359880
Manufacturer Part Number: 819043

The Defrost Drain Tube Heater Probe is an OEM replacement part for Whirlpool refrigerators. Located near the drainage tube in the refrigerator liner, this probe monitors and controls the defrost drain tube heater.

Causes of a bad defrost drain tube heater probe include cracked solder joints or wiring connections due to normal vibration over time. Without the proper functioning of this probe, the drain tube heater will not activate during defrost cycles.

Symptoms of a bad defrost drain tube heater probe include:

  • Accumulation of ice or water in the drain tube drainage area  
  • Inability to fully defrost and clear buildup from the drain tube
  • Error codes indicating heating element issues

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models. 

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Questions & Answers

For Whirlpool Defrost Drain Heater- Probe (Part Number: OEM9359880)

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K.D.

I own a Kenmore 106.60962990 Refrigerator, it came with the home I bought in June. I have been having the same water backflowing into fridge compartment problem that others have described. I tried removing the accumulated ice twice, but the problem remained. It only occurred to me to check for a clogged drain tube after mentioning the problem to a family member. However, after doing more research, it appears as though this problem is a design flaw. Even if I clear the drain tube now, the problem will most likely come back again, unless I install one of these. I would think that the manufacturer should supply this part at no cost to the consumer.

Answer

Hello K.D., While this is considered by some to be a design flaw, it is not always possible for man to control the laws of science. As an example, other manufacturers have had the issue with different design machines. I cannot go into any more detail on the causes from the design you have in your home since no model number was listed. I can tell you that in some cases the issue is caused by a short defrost cycle, a weak defrost thermostat, an air leak and even the unit settings can cause the issue under certain circumstances.

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Answered by AppliancePartsPros.com   |   Tuesday, September 22, 2015

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