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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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Jean for Model Number Whirlpool ET1MTKXKT02

I bought this to resolve the drain icing issue. Four questions: 1. Should this kit work on this unit? 2. The kit now includes insulation strips for around the edges of the evaporator cover, but the cover for my refrigerator looks completely different from that one, and also has some narrower insulation already in place. Should I skip on this insulation? 3. The instruction sheet is a little unclear. Under "Remove drain pan", it says "NOTE: On plastic liner design, remove nylon drain insert and discard." My drain pan is all metal and has no nylon insert, just a cut-out hole, so I ignore this, correct? 4. The probe extends down well into the hole. Under the round cut-out in the metal drain pan, the drain hole has a black material, possible plastic, around it. Will the heated probe damage this black material? It is pretty much impossible to get the pan out of the way enough (as it extends up behind the evaporator unit) to see if the black part is removable, and to insert the aluminum tube. Note: the refrigerator has not been plugged back in yet. Thanks for any/all help!

Answer

Hi Jean. #1. Yes this kit can be used your unit. #2. Since this kit is a universal one and if your evaporator cover does not have the strips, you can elect to use them or not. They are meant to help conceal the heating element defectiveness to focus on the drain better (as well as internal cooling/ evap.fan flow). If the foam insulation is still in good repair then it is as well. #3. If the metal tubing fits inside the drain hole then you do not remove the plastic part mentioned in the instructions. # 4. The heat probe mounts to the back wall of the heater area, not to the heater itself. It is centered into the drain hole. So the probe just transfers the heat and keeps it defrosted. You may have to cut a portion of the tube so it does not touch the black drain insert. Thank You.

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Answered by AppliancePartsPros.com   |   Tuesday, September 25, 2012

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