2003451-1-S-Whirlpool-12001937-Defrost Thermostat Kit
2003451-1-S-Whirlpool-12001937-Defrost Thermostat Kit 2003451-2-S-Whirlpool-12001937-Defrost Thermostat Kit 2003451-3-S-Whirlpool-12001937-Defrost Thermostat Kit http://www.partselect.com/Schematics/Maytag/Maytag_Thumb/56587.gif

Defrost Thermostat Kit

PartSelect Number PS2003451

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.

This part works with the following brands: Whirlpool, Admiral, Estate, Inglis, Kenmore, KitchenAid, Roper, Maytag, Crosley, Jenn-Air, Hardwick, Magic Chef, Amana, Caloric & Glenwood.

This part fixes the following symptoms:

  • Fridge too warm.
  • Freezer not defrosting.
  • Freezer too cold.
  • Freezer section too warm.
  • Compare At

    $38.59
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    $6.43
  • Your Price

    $32.16
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Installation Instructions Provided by PartSelect customers like you.

Average Repair Rating: 3.8 / 5.0, 12 reviews What's this?
1-5 of 12
 

56 of 69 people found this instruction helpful

Parts Used

  • Defrost Thermostat Kit

Level of DifficultyEasy

Time to do repair:30 - 60 mins

ToolsNutdriver, Pliers

Customerjames from southampton, PA

Freezer not defrosting

Removed shelf drawer. Then removed plastic coverings from back panel of freezer. Squeezed tabs of ice maker connector to push it behind the back panel. With nut driver, removed the four screws holding the panel and removed the panel. Used a hair dryer to remove frost from upper right area that contains the defrost thermostat. Cut out the thermostat and removed the connector on the right from the defrost heater. Removed brown wire from a few of the clips. Attached orange wire from new thermostat to orange wire leading to connector removed from defrost heater and the brown wires to each other using the pliers and supplied crimpable wire nuts. Wrapped the connections with self fusing tape. Reconnected the wiring to the defrost heater and clipped the new defrost thermostat to where the defective one was removed. Used the hair dryer to melt the ice that was covering the drain, then a turkey baster to unclogg the drain. Put everything back together.

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39 of 43 people found this instruction helpful

Parts Used

Level of DifficultyEasy

Time to do repair:15 - 30 mins

ToolsNutdriver, Screw drivers

CustomerMichael from Encinitas, CA

Freezer cold, refrigerator warm

For the timer, I removed the upper light panel in the refrigerator with a screwdriver and the defrost timer is just plugged in. Easy fix, however most websites were saying it was located down by the kickplate. The thermostat was I think was te real culprit of my problem. I removed the back plate of the freezer after removing the pullout drawers. It just took four screws. The vent/grill just pops out if squeeze it to one side and slide out the other. Then swivel out door. Note that I do not have the ice maker installed in mine so yours may have a another step. I unplugged the refrigerator at this point and grabbed my blow dryer. I melted all the ice that had formed on condenser. The thermostat is located to the right of the fan. Unclip old thermostat and snip wires with enough slack to attach new one. Attach with wire nuts, reclip and start moving in reverse back to the beginning. 7days and no problems!

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23 of 30 people found this instruction helpful

Parts Used

Level of DifficultyA Bit Difficult

Time to do repair:30 - 60 mins

ToolsNutdriver, Pliers, Screw drivers

CustomerJames from Chestnut Hill, MA

Defrost failed. Freezer icing up

(FYI, Amana model is re-labeled Maytag with similar model number)I earlier replaced the defrost timer but that didn't solve the problem, so I purchased a new thermostat and evaporator heater. The hardest part was figuring out how to remove the slide out freezer door to access the back panel. Simple once figured out: There is one small screw on each slide rail, facing outward, near the door. Remove each screw and the door section will pivot up and disconnect from the rail.

The next thing you have to do is remove one of the slide rail supports so you can remove the back panel. Slide the track all the way out and you will see three small machine screws securing the track to the side of the freezer wall. Remove. Then push in the plastic clasp (near the back of the compartment) and slide the plastic assembly forward and out of the compartment. Now you can unscrew and remove the back panel to access the thermostat and heater.

I checked the resistance of the existing heater and measured 300 ohms (it would have been an open circuit if it was burned out). When I saw the resistance was OK on the heater, I left it in place and only changed out the thermostat. The defrost has worked fine since. Good luck.

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18 of 22 people found this instruction helpful

Parts Used

  • Defrost Thermostat Kit

Level of DifficultyEasy

Time to do repair:15 - 30 mins

ToolsNutdriver, Pliers, Screw drivers

CustomerCharles from Pasadena, CA

Auto defrost not working

Found the coils in the freezer frosted up and no cold air getting to the refrig compartment. I first replaced the defrost timer but should have checked with a volt meter as it turned out that it was a thermostat on the coils in the freezer that was faulty, it actually had a visable defect, it was bulged out. I think that this thermostat prevents the defrost heater from over heating the coils. Replaced the defrost timer an this thermostat and all is good now.

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14 of 15 people found this instruction helpful

Parts Used

  • Defrost Thermostat Kit

Level of DifficultyReally Easy

Time to do repair:15 - 30 mins

Tools

CustomerCharlene from Baltimore, MD

Freezer didn't defrost

I removed the back panel. I used my hair dryer to remove the build up ice. Then I removed the old thermostat, spliced the wires to install the new thermostat, and crimped the wires. I saved $150 doing it myself. If you know how to splice and crimp wires, you can do this; even a caveman can do it.

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