Honeywell ST9120A2004 Furnace Control Board – Used, Tested Working, Armstrong OEM
Honeywell ST9120A2004 Furnace Control Board – Used, Tested Working, Armstrong OEM
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Honeywell ST9120A2004 Furnace Control Board – Used, Tested Working, Armstrong OEM

5 stars out of 1 reviews
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About this item

Need a control board for your furnace?

RESIDEO/HONEYWELL ST9120U 1.2 1 FURNACE FAN CONTROL CIRCUIT BOARD

This is a used Honeywell ST9120A2004, pulled from a working system and guaranteed functional.

40403-001 ST9120A2004 - HONEYWELL

It's an OEM Armstrong part, tested before removal.

Honeywell ST9120U Universal Fan Timer Control Board ST9120U used

Model number is ST9120A2004.

Armstrong Air R40403-003 Furnace Control Circuit Board - Alternate / R

A solid, budget-friendly option if you're looking to fix your heat without buying new.

R40403-003 Furnace Blower Control Circuit Board, For All 40403-001, 40403-002

Replacement for Honeywell ST9120U1003 Furnace Control Board

$ 41.00
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