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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4.8 ★★★★★
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Shelby
Los Angeles, US
★★★★★ 5
Cool, Comfortable, and Worth Every Penny!
Color: Light Gray, Size: Standard
I’m honestly impressed with these pillowcases! From the first night, I could feel the difference—they stay noticeably cool, which is perfect if you tend to sleep hot like I do. The fabric feels silky smooth against the skin without being slippery, and it’s really gentle on both my hair and face. I’ve also noticed I wake up less sweaty and more comfortable overall. They fit my pillows well and don’t slip off during the night, which is a big plus. After washing, they held up great—no fading, shrinking, or loss of softness. If you’re looking for pillowcases that actually help keep you cool and comfortable through the night, these are definitely worth it. I’ll be buying more!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
S
Verified Purchase
Sarah Benjamin
Omaha, US
★★★★★ 5
Extremely cold, silky, gentle on hair
Color: White, Size: Queen
This was so cold when I removed it from the package that at first I thought it would be too cold. It was as if it had been in a freezer. I really like how silky it is on my face. (I can't stand a rough feeling pillowcase.) It is also gentle on my curly hair. The pillowcase can warm up from being slept on, but a shift of just a few inches gets back to wonderful cold. I highly recommend this as an extremely cool, silky smooth fabric. These are much colder than my very expensive miracle sheets.
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Reviewed in the United States on April 22, 2026
A
Verified Purchase
Amazon Customer
Belleville, US
★★★★★ 5
Freaking Amazing 🤩
I never write reviews but these pillow cases absolutely deserve one!!! These are absolutely amazing! So soft and cool! I sweat so bad every night!! I wake up and my hair, shirt and pillow are drenched!!! I slipped these bad boys on as soon as they came in, and let me tell you! They were cold to the touch, I woke up this morning and I wasn’t sweating! I thought $20 something dollars was a little expensive for 2 pillow cases but was totally worth it! We love love love them!🩷🩷🩷Hubby approved😉
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Reviewed in the United States on May 18, 2026
M
Verified Purchase
Mrs C
Grantham, US
★★★★★ 5
Stretchy Material and Cooling Fabric
Color: Light Gray, Size: Standard, Color: Light Gray, Size: Standard
Material: is very stretchy and cools well. It has a zipper which is good because the fabric is very soft and slippery and if it didn’t have a zipper the pillow would not stay in the case. Durability: zipper works great and material is easy to clean. Color: I have the gray and my daughter has the pink. Both colors as advertised. Value: Good value and I got what I expected.
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Reviewed in the United States on May 14, 2026
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Verified Purchase
Patricia Cummings
Grantham, US
★★★★★ 4
Very soft and cool.
Color: Dark Gray, Size: Queen
Very comfortable and cooling. But after a couple of washes the stitching starts to unravel.
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Reviewed in the United States on May 3, 2026

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