Sub-Zero 4204810 Replacement Trough Heater – SVCE

Sub-Zero

4204810

120.00

The Sub-Zero 4204810 Replacement Trough Heater is a genuine OEM component engineered for the Sub-Zero 648PRO refrigerator. This heater is installed in the defrost trough area and is responsible for preventing water from freezing during defrost cycles.
A failed trough heater can lead to frozen drain channels, water overflow, ice accumulation inside the freezer compartment, and improper defrost drainage. Replacing the trough heater restores proper water flow and protects internal components from ice-related damage.
Manufactured to Sub-Zero factory specifications, this replacement heater ensures correct wattage, fitment, and long-term reliability in professional-series refrigeration systems.

⚠️ Serial number verification is recommended before ordering.

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It seems like you're unsure about the model or serial number. To ensure you receive the correct part, we strongly recommend verifying this information before placing your order. You can find the serial number on your appliance using our guide jump to the manual. If you need further assistance, please contact us, and our team will help you find the correct part for your Sub-Zero appliance.

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