Whirlpool Defrost Heater Assembly WP12729123 OEM Part

The Defrost Heater Assembly is an authentic OEM replacement part designed for use in Whirlpool refrigerators. This key component is responsible for eliminating ice buildup on the evaporator coil, a frequent occurrence with normal refrigerator operation. It functions by applying heat to the coil via electrical resistance, promoting efficient defrost cycles.

Manufactured by Whirlpool, this part also fits a variety of other brands, including Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and select Kenmore models. Additionally, Whirlpool supplies parts for Sears-Kenmore and Ikea appliances.

A defrost heater may malfunction due to issues such as improper wiring, defective heating elements, or persistent overheating during defrosting.

Indications of a potential defrost heater issue include:

- Insufficient defrosting within the refrigerator
- Excessive ice accumulation on coils
- Challenges in maintaining target internal temperatures
- Frost or moisture outside freezer compartments

Recognizing these signs promptly can ensure your refrigerator continues to operate efficiently and reliably.