DescriptionThis video provides step-by-step instructions for replacing the mullion heater on Whirlpool refrigerators. The most common reason for replacing the mullion heater is when the door gaskets are sweating.
All of the information in this mullion heater replacement video is applicable to the following brands: Whirlpool, Maytag, KitchenAid
Tools used: 1/4” socket or nut driver
Step-By-Step Instructions1
Before you replace the mullion heater flap in your refrigerator unplug the power cord.
2
Open the left refrigerator door.
3
Bend the mullion heater flap outward and use a quarter-inch socket or nut driver to unthread the mounting screw.
4
With the screw removed, lift the old mullion heater flap up to detach.
5
Disconnect the wire connecter to fully remove the old component.
6
Install the new mullion heater flap by first connecting the wire connecter.
7
Secure the connecter in the retaining clip.
8
Align the hinge tabs on the liner and press the flap assembly down.
9
Thread the mounting screw to secure.
10
With the repair completed, plug the power cord back in and your refrigerator should be ready for use.