SKU: 38257680804

W10822278 Refrigerator Freezer Defrost Timer for Whirlpool KitchenAid Kenmore Refrigerators

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Description

W10822278 Refrigerator Freezer Defrost Timer for Whirlpool KitchenAid Kenmore RefrigeratorsW10822278 2188372 Refrigerator Defrost Timer Key Features Precision 10 Hour Cycle: Features a factory calibrated mechanical motor that triggers a defrost cycle every 10 hours of compressor run time, maintaining the ideal balance between cooling and frost prevention. Fixed 21 Minute Defrost Duration: Specifically engineered to keep the defrost heater active for exactly 21 minutes, ensuring all ice is cleared from the evaporator coils without

W10822278 / 2188372 Refrigerator Defrost Timer

Key Features

  • Precision 10-Hour Cycle: Features a factory-calibrated mechanical motor that triggers a defrost cycle every 10 hours of compressor run-time, maintaining the ideal balance between cooling and frost prevention.
  • Fixed 21-Minute Defrost Duration: Specifically engineered to keep the defrost heater active for exactly 21 minutes, ensuring all ice is cleared from the evaporator coils without overheating the freezer compartment.
  • Heavy-Duty Internal Contacts: Built with high-conductivity metal points designed to switch the high-amperage load of the defrost heater thousands of times without pitting or sticking.
  • Manual Advance Dial: Equipped with an integrated "advance screw" that allows technicians and DIYers to manually trigger a defrost cycle for diagnostic testing without waiting for the 10-hour timer.
  • Standard 4-Pin Layout: Features a keyed electrical connector that ensures a proper, one-way fit into the refrigerator's wiring harness, preventing accidental short circuits.

Replaces / Cross-Reference Part Numbers

  • AP5985208
  • PS11723171
  • 482493
  • 4318057
  • 2188372
  • 850343
  • 850345
  • 482489
  • W10822278VP
  • W10740039

Compatibility & Fitment

This defrost timer is one of the most widely used mechanical controls in Whirlpool Corporation's history. Key compatible brands include:

  • Whirlpool & Kenmore: Fits a massive range of top-mount and side-by-side models (e.g., 106-prefix and 110-prefix units).
  • KitchenAid: Compatible with many older series built-in and freestanding refrigerators.
  • Maytag: Fits various models produced following the Whirlpool-Maytag brand integration.
  • Amana, Roper, & Estate: Direct replacement for almost all mechanical-timer units in these value brands.
  • Note: This part is typically located either in the control console at the top of the refrigerator or behind the bottom kickplate (toe grille) near the compressor.

When to Replace

  • Fridge Stays Too Warm: The timer is stuck in the "cooling" mode and never triggers a defrost, leading to evaporator coils that are choked with ice.
  • Fridge Won't Start: The timer is stuck in the "defrost" mode; the lights will work, but the compressor and fans will never turn back on.
  • Compressor "Clicks" But Doesn't Run: If the internal contacts are worn, they may fail to provide enough voltage to engage the compressor's start relay.
  • Audible Clicking or Grinding: The small internal motor of the timer has failed or the plastic gears have stripped, preventing the dial from advancing.
  • Timer Won't Advance Manually: If you turn the advance screw and the fridge doesn't kick on or off as expected, the internal mechanical bridge is likely broken.

Installation Tips

  • Safety First: CRITICAL: Unplug the refrigerator before starting. Even though this part is small, it controls the main power to the compressor and heater.
  • The "Screw" Test: PRO TIP: Before replacing, use a flat-head screwdriver to slowly turn the advance screw clockwise until you hear a loud "click." If the compressor turns off and the heater turns on, your timer might still be good (check the defrost heater instead).
  • Orientation Matters: While the plug is keyed, take note of how the timer is mounted. Reversing the mounting position can sometimes make it difficult to access the advance screw through the console's access hole later.
  • Check the Bi-Metal: If you replace the timer and the ice buildup returns in a week, your defrost bi-metal thermostat is likely the culprit, as it acts as a secondary safety for the timer.
  • Wait for the Cycle: After installing the new W10822278, it may take up to 10 hours for the first automatic defrost cycle to occur. This is normal operation.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 38257680804

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Amazon Customer
Carnegie, US
★★★★★ 5
Smaller & more efficient
Color: White
Smaller than my 6 year old one and so quiet!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
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Donna
San Leandro, US
★★★★★ 5
Small and great performance
Color: White
Great little air purifier!!! I have a large one and needed a small one for adjacent room!! Great team work !!!
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Reviewed in the United States on May 31, 2026
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Craig R
Lexington, US
★★★★★ 5
Great for a bedroom and nice white noise sound!
Color: White
Great value and power from a little purifier!! I’ve been using this for about a year and got one for my parents as well because it worried so well. I use it in my master bedroom and purchased originally for putting in front of an open window so it would serve as a fan pulling in air AND clean the allergens out of the air! We have allergies so the big fan in front of the window brings in tree and grass pollen and we’d cough all night and wake up with a sore throat. Now this purifier is on a short stool, sucks the air in, blows it up to the fan that we turn on sometimes when it gets real hot. On high setting it is like a fan on medium, and perfect white noise for sleeping. The filters aren’t expensive and I just subscribe and save every 6 months.
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Reviewed in the United States on April 13, 2026
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Verified Purchase
watergrl
Lake Worth, US
★★★★★ 5
Quiet and economica
Color: White
I got this to use in my bedroom and it is perfect for that. It cleans the air effectively, and its very easy to change the filter. Filters are also very reasonably priced. It is extremely quiet ad well. I'm very happy with this purchase.
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Reviewed in the United States on May 29, 2026
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Queezzyy
Boise, US
★★★★★ 5
Solid purchase for everyday use.
Color: Orange
Can’t really say to much about these. They have a strong magnet and are durable enough for everyday use. I use them to hang my compression leggings from normatec as well as other accessories. They work well and are at an affordable price. Hook size is ok. I feel like most items you would hang have no issue. Have not loaded them with to much weight but I’m sure they can hold a fair amount.
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Reviewed in the United States on May 7, 2026

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