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Sub-Zero 4204380 Control Board – Replacement for 600/700 Series

Part Number: 4204380 (replaces 4203790, 4203320, 4203520)
Genuine Sub-Zero Replacement: Ensures optimal performance for your appliance.
Compatible Models: Works with a wide range of 600/700 Series models.
Factory-Authorized: Designed to Sub-Zero’s exact specifications.

379.2

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The Sub-Zero 4204380 Control Board is a genuine factory-authorized replacement part specifically designed for the 600/700 Series. This control board ensures the continued performance and reliability of your Sub-Zero appliance. If your refrigerator or freezer is experiencing issues with temperature regulation, display errors, or power interruptions, replacing the control board could restore full functionality.
This control board replaces the following part numbers:

4203790
4203320
4203520

This is an essential part for the continued operation of your appliance, designed to meet the exacting standards of Sub-Zero. Whether you are maintaining an older model or upgrading components, the 4204380 board is an exact fit for the listed models and serial ranges.

Compatible Models & Serial Breaks:
The following models use this control board across a range of serial numbers:

601R (Refrigerator) - Serial #1810000 and later; prior see #4202802
601F (Freezer) - Serial #1810000 and later; prior see #4202801
601RG - Use regardless of serial number
650 (Refrigerator/Freezer) - From #1810000 to #2600000; prior see #4202800
611, 611G/650G - Serial #1810000 and later; use regardless of serial number
632/642 (Refrigerator) - Serial #1810000 and later; prior see #4202800
680/690 - Serial #1810000 and later
685-3, 695-3, 650-3 - Prior to #2600000, see #7014184
700 Series (Tall Units) - Use regardless of serial number
700TC/I, 700TR, 700TF/I, 700-3 - Use regardless of serial number
736TC/I-3, 736TR-3 - See part #7002719

For international units, use part number 7004473.
For 736TC/I-3 models, see 4204381.
For a full compatibility breakdown, refer to the technical manual included with the control board.

Installation and Programming Instructions

Installing the 4204380 control board is straightforward with the included instructions. Programming the board to your specific Sub-Zero model ensures that your appliance functions correctly. To view the detailed steps, download the installation guide [here]

Frequently Asked Questions

What does the control board do?
The control board manages the overall operation of your Sub-Zero refrigerator, including cooling cycles and diagnostics.

Can I install the board myself?
While it's possible to install the board independently, professional installation is recommended to ensure proper setup.

Where can I find my model and serial number?
Refer to our guide on locating your Sub-Zero appliance’s serial and model number [here]

We ship nationwide in the USA. Orders placed before 2 PM PST are processed the same day. For international shipping options, please contact our customer service team.

Not the Control Board You’re Looking For?

Explore our full Sub-Zero Spare Parts Catalog for a wide selection of genuine Sub-Zero parts. Whether you’re looking for another control board, gasket, or any other part, we've got you covered!

Return to the Sub-Zero Parts Catalog

Find the Sub-Zero Serial Number for Repairs or Parts

How to Locate Your Sub-Zero Serial Number and Model Number

Whether you're a Sub-Zero appliance owner looking to purchase original spare parts or a technician preparing for a repair, knowing the serial number and model number of the unit is essential. These details help ensure you receive the correct parts or that our technicians arrive ready to provide efficient service.

Once you’ve located your serial and model numbers, you can visit our Sub-Zero Spare Parts page to order the exact parts you need. Or, if you’re scheduling a repair, please provide these numbers to speed up the process.

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