Customer Questions and Answers for Defrost Heater by Whirlpool

The Defrost Heater is an OEM replacement part for Whirlpool refrigerators. It removes accumulated frost and ice from evaporator coils to maintain efficient cooling performance. 

Symptoms of a faulty heater include:

• Ineffective or failed automatic defrost cycles  
• Accumulation of excess frost over time
• Loose or improper placement of coils/connectors

Causes can be wear from repetitive defrost cycles. Environmental factors like humidity fluctuations may also degrade insulation.

This OEM heater is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, and Roper refrigerator models.