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Genuine Whirlpool part. Whirlpool brands include Whirlpool, Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, Kenmore, and others. See all items in Refrigerator Divider Or Deflector. Whirlpool also makes various appliance models for Sears / Kenmore.
Part Number 12722815B replaces AP4456332, 1541326, AH2365248, EA2365248, PS2365248.
The Mullion Rail is an OEM part for Bosch refrigerators. This part maintains an effective seal on the refrigerator door, helping to keep cold air inside and ensuring energy efficiency. The mullion rail folds when the door is opened and extends to create a tight seal when the door is closed, preventing air leakage and maintaining consistent internal temperatures.
Causes of a bad Mullion Rail can include wear and tear from frequent use, mechanical damage from forceful handling of the refrigerator door, or degradation of the rubber seals that can compromise its effectiveness.
Symptoms of a failing Mullion Rail include:
This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models.
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Whirlpool 12722815B Rail-Mulln OEM Part