12722815B Whirlpool Mullion Rail

The Mullion Rail, an OEM part for Bosch refrigerators, is designed to enhance the sealing efficiency of refrigerator doors. This component is crucial for maintaining the internal temperature consistency by preventing air leakage. It operates by folding when the door opens and extending to create a secure seal when the door is closed, thus keeping the cold air inside and improving energy efficiency.

Whirlpool manufactures this part and it is compatible with various brands including Whirlpool, Amana, KitchenAid, Maytag, Jenn-Air, Magic Chef, Roper, and Admiral. Additionally, Whirlpool produces similar components for Sears-Kenmore and Ikea. The Mullion Rail can also be used with certain models from Thermador, Gaggenau, and Kenmore.

Common issues with Mullion Rails often arise from regular wear and tear, forceful closing or opening of the refrigerator door, or deterioration of the rubber seals. These problems can lead to difficulties in closing the door properly, visible gaps or looseness in the door seal, increased condensation or frost near the door edges, and escaping cold air which can result in higher energy consumption.