Whirlpool · Refrigerator part

Refrigerator Bimetal Defrost Thermostat WPW10225581

4.6 · 45 buyer ratings on the source catalog

WPW10225581No photo on file
Match this part by its number, not by appearance.

The defrost bi-metal thermostat is designed to protect the evaporator from overheating during the defrost cycle in a refrigerator.

Reference price$19.83–$39.95

Catalog price as of 2026-05; not a live Amazon price.

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Part number
WPW10225581
Brand
Whirlpool
Made for
Refrigerator
Fits
1,135 models
Also sold as
Amana, Bauknecht, Crosley, Estate, Galaxy, Ikea, Inglis, Jenn-Air, Kenmore, Kenmore Elite, Kirkland, KitchenAid, Magic Chef, Maytag, Roper, Thermador
Install difficulty
Medium
  • Fitment checked against 1,135 models
  • Purchase, shipping and returns handled by Amazon
  • Free reference data: RepairKitHub does not sell parts

Does it fit your appliance?

Find it on the data plate inside the door or lid. It is not the serial number.

About this part

WPW10225581 is a Whirlpool replacement part (refrigerator bimetal defrost thermostat) for refrigerators. Our fitment data lists 1,135 models that use it.

This defrost bi-metal thermostat (part number WPW10225581) prevents the evaporator from overheating during the defrost cycle, ensuring your refrigerator s efficiency and safety. If your refrigerator isn t maintaining the right temperature or shows signs of frost buildup, a faulty defrost thermostat may be the cause. For step-by-step guidance, refer to How to replace a defrost sensor in a side-by-side refrigerator. Before installation, unplug the refrigerator and store perishable items safely. Wear work gloves to protect your hands. This thermostat replaces older part number W10225581. Check your model compatibility before ordering to ensure a proper fit.

Symptoms this part fixes

  • Overheating
  • Temperature too cold
  • Temperature too hot
  • Won't heat

How to confirm it has failed

Symptom: The refrigerator's temperature reads inconsistently, or the compressor and defrost cycle seem out of step with how warm or cold it actually is inside.

Check: A thermistor that has drifted or failed reports the wrong temperature to the control board, so compare the compartment's actual temperature to what the display or dial shows.

Models that use this part

Showing 60 of 1,135 confirmed models, models with their own parts page first.
ModelBrandApplianceParts on file
10657714704—Refrigerator358
10657702703WhirlpoolRefrigerator334
10644323400WhirlpoolRefrigerator329
10652602101WhirlpoolRefrigerator328
10652609101KenmoreRefrigerator324
10654784802WhirlpoolRefrigerator317
10657072600KenmoreRefrigerator317
10656669502WhirlpoolRefrigerator315
10651569104WhirlpoolRefrigerator310
10656682500WhirlpoolRefrigerator307
10656824601KenmoreRefrigerator306
10656836604WhirlpoolRefrigerator305
10656075790WhirlpoolRefrigerator302
10652209100WhirlpoolRefrigerator297
10654794801—Refrigerator296
10658919801KenmoreRefrigerator295
10654586401WhirlpoolRefrigerator289
4KSRS25CHT01WhirlpoolRefrigerator283
10657206602KenmoreRefrigerator280
7TS22AQXEW00WhirlpoolRefrigerator279
Show all 60 models
ModelBrandApplianceParts on file
10659134801KenmoreRefrigerator278
10653512300WhirlpoolRefrigerator277
10657368701WhirlpoolRefrigerator277
10659227990KenmoreRefrigerator270
10656596501WhirlpoolRefrigerator268
7ED0GTQXMQ00WhirlpoolRefrigerator263
10651103110WhirlpoolRefrigerator251
10655236400KenmoreRefrigerator250
10650557001WhirlpoolRefrigerator238
10659082893KenmoreRefrigerator238
10658033801WhirlpoolRefrigerator232
10659247990KenmoreRefrigerator225
7WRS22FDBW02WhirlpoolRefrigerator225
10650524100WhirlpoolRefrigerator219
8ED27DQXAN00WhirlpoolRefrigerator216
4YED25PWDW01WhirlpoolRefrigerator215
8ED25PQXDW02WhirlpoolRefrigerator209
10650223010WhirlpoolRefrigerator207
10650222010WhirlpoolRefrigerator203
10650229010WhirlpoolRefrigerator201
10653524300KenmoreRefrigerator201
10650228010WhirlpoolRefrigerator193
10651124210WhirlpoolRefrigerator193
1069502820WhirlpoolRefrigerator193
6ED2FHKXKQ05WhirlpoolRefrigerator189
10650343010WhirlpoolRefrigerator186
3ED27DQXDW00WhirlpoolRefrigerator180
10651113210WhirlpoolRefrigerator174
10659422801KenmoreRefrigerator174
10651102110WhirlpoolRefrigerator172
10659912703WhirlpoolRefrigerator172
10658599890WhirlpoolRefrigerator171
10652603100WhirlpoolRefrigerator166
10650212010WhirlpoolRefrigerator165
10657021791WhirlpoolRefrigerator158
1069430280WhirlpoolRefrigerator151
3XARG496WP01WhirlpoolRefrigerator149
10651133210WhirlpoolRefrigerator144
1069550210KenmoreRefrigerator141
10660528900WhirlpoolRefrigerator140

Installation

Installation difficulty on the source catalog: Medium.

A technician's video showing how to replace part WPW10225581. Plays from YouTube when you click.

Before you order

  • Match the part number character for character, including dashes and trailing letters; a single different character is usually a different part.
  • Confirm your appliance's model number on its data plate and check that it appears in the list above (or use the model lookup tool).
  • If a seller offers a substitute number, check that it appears in this page's replacement list or in the manufacturer's documentation.

Model lookup tool

Frequently asked questions

Which models does WPW10225581 fit?

Our fitment data lists 1,135 models that use WPW10225581, including 10657714704, 10657702703, 10644323400. Enter your model number in the fit checker on this page to confirm.

What symptoms point to a failed refrigerator bimetal defrost thermostat?

The source catalog links this part to these symptoms: overheating, temperature too cold, temperature too hot, won't heat.

Is WPW10225581 hard to install?

The source catalog rates installation as medium. This page includes a replacement video. Unplug the appliance before you start.

How much does WPW10225581 cost?

Catalog prices on file range $19.83–$39.95 (as of 2026-05). The current Amazon price can differ, so check it before you order.