Beko Refrigerator Thermal Fuse 4919820500

Basic information

• Part name: Refrigerator thermal fuse
• Manufacturer: Beko
• Category: Refrigerator safety components
• Primary function: Shuts off the defrost heater if the defrost heater fails.

Installation & compatibility

• Compatible models: Fits select Beko and Blomberg models; confirm compatibility using your models parts diagrams
• Installation difficulty: Medium; requires removing the evaporator cover and disconnecting wiring
• Tools required: Screwdriver; wire strippers

Additional information

The refrigerator thermal fuse 4919820500 acts as a critical safety device that automatically shuts off the defrost heater if the defrost thermostat fails to regulate temperature properly. By interrupting power to the heater during an overheating condition, it helps prevent damage to internal components, wiring, and surrounding insulation.

If the refrigerator no longer cools effectively, cycles improperly, or develops excessive frost buildup along the evaporator coils or freezer walls, a failed thermal fuse may be the cause. Because the fuse is designed to permanently open when triggered, it cannot be reset and must be replaced once it blows.

Before beginning the repair, unplug the refrigerator and move perishable food items to a cooler or alternate cold storage. Access the evaporator area by removing the interior rear panel, then disconnect and remove the old thermal fuse. Install the new fuse securely, making sure all wiring connections are tight and properly insulated. After reassembly, restore power and monitor the unit to confirm normal cooling and defrost operation.