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Whirlpool WP4387499 Bi-Metal Defrost Thermostat for Refrigerator

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Out of stock
SKU
WP4387499
Brand
Whirlpool
Whirlpool
Special Price $71.50 Regular Price $90.66
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Quick Overview
The Whirlpool WP4387499 is a bi-metal defrost thermostat used in refrigerators to manage the automatic defrost cycle. This cycle helps to limit frost accumulation in the freezer compartment, which can impact efficiency and storage space. The thermostat operates by detecting temperature variations through the interaction of two different metals bonded together. Once the freezer reaches a specific low temperature, the bimetallic strip bends, interrupting the power supply to the compressor. This halts the cooling process, allowing any built-up frost to melt. As the temperature rises to a predetermined level, the strip straightens, restoring power to the compressor and resuming normal cooling functions. This process is integral to maintaining optimal performance and food storage conditions in a Whirlpool refrigerator.

This Part Fits the Following Models (50)

KitchenAid 4KSRF36DTX1 Refrigerator KitchenAid 4KSRF36DTX2 Refrigerator KitchenAid 4KSRF42DTX2 Refrigerator KitchenAid Built-In Refrigerator KSSP36QGT00 KSSP36QGT00 KitchenAid Built-In Refrigerator KSSS36MWX01 KSSS36MWX01 KitchenAid KSRB22DWWH02 Refrigerator KitchenAid KSRB22QXAL00 Refrigerator KitchenAid KSRB22QXBL00 Refrigerator KitchenAid KSRB22QXWH00 Refrigerator KitchenAid KSRB25QWWH02 Refrigerator KitchenAid KSRB25QXWH00 Refrigerator KitchenAid KSRB25QXWH10 Refrigerator KitchenAid KSRB27QWWH00 Refrigerator KitchenAid KSRB27QXBL01 Refrigerator KitchenAid KSRB27QXWH00 Refrigerator
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Customer Questions
What is the Whirlpool WP4387499 Bi-Metal Defrost Thermostat used for?

The Bi-Metal Defrost Thermostat manages the refrigerator’s automatic defrost cycle by responding to freezer temperature changes and controlling compressor operation.

How does WP4387499 detect when the defrost cycle should occur?

The bimetal defrost thermostat uses two bonded metals that bend as freezer temperature changes, allowing the thermostat to interrupt or restore electrical power.

What happens when the Whirlpool Bimetal Defrost Thermostat reaches its low-temperature setting?

The bimetallic strip bends and interrupts power to the compressor, stopping cooling so accumulated frost can melt.

How does Bi-Metal Defrost Thermostat restart normal refrigerator cooling?

As the temperature rises to the predetermined level, the bimetallic strip straightens and restores power to the compressor.

What refrigerator issue can Bi-Metal Defrost Thermostat help limit?

By controlling the automatic defrost cycle, WP4387499 limits frost accumulation that can affect freezer efficiency and available storage space.

Which refrigerator models are compatible with Whirlpool WP4387499?

Compatible models include KitchenAid KSRS27QXWH00, KSRS27QXWH01, KSSC36MFS05, KSSC42MFS05, and KSSC42MHS00 refrigerators.

Is Whirlpool WP4387499 Bi-Metal Defrost Thermostat for Refrigerator an OEM replacement component?

Yes. Whirlpool Bi-Metal Defrost Thermostat for Refrigerator is an OEM replacement part intended for applicable refrigerator models.

How many business days does delivery take for Whirlpool WP4387499 Bi-Metal Defrost Thermostat for Refrigerator?

Whirlpool Bi-Metal Defrost Thermostat for Refrigerator ships via Ground and is expected to arrive within 5–7 business days.

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