Refrigerator defrost thermostat. If the evaporator coils in the freezer frost over then this themrostat may be defective.

The AL series line of exact replacement heavy-duty sealed bimetal disc controls meets the higher electrical requirements of commercial applications. Can handle electrical loads up to 25 amps at 120/240VAC.

The AL series line of exact replacement heavy-duty sealed bimetal disc controls meets the higher electrical requirements of commercial applications. Can handle electrical loads up to 25 amps at 120/240VAC.

The AL series line of exact replacement heavy-duty sealed bimetal disc controls meets the higher electrical requirements of commercial applications.

Fits Whirlpool & Supco built refrigerators

Fits Maytag & Supco built refrigerators；Also replaces 527633, 527639

Glass Heaters are designed for superb performance and reliability. Constructed of high quality Vycor® glass with end seals of high temperature molded silicone.

Glass Heaters are designed for superb performance and reliability. Constructed of high quality Vycor® glass with end seals of high temperature molded silicone.

Defrost Heaters are designed for superb performance and reliability. Constructed of high quality 840 Incoloy with end seals of high temperature molded silicone.