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    • Honeywell control board HQ1011927HW ST9120C 4057

      eBay used tested before removing and works, i do not return so please refer to hvac tech to install, ship usa only thanks! $79.95
    • Honeywell Furnace Circuit Board ST9120C4057 HQ1011927HW

      eBay Cleaned and Tested. Guaranteed to work!! L010818 B1-4 $50.0
    • Honeywell Furnace Circuit Control Board ST9120C 4057 ST9120C4057

      eBay Condition: New OEM/After Market: OEM Brand: Honeywell Part #: CB HW 40403-03 Replaces: ST9120C 4057 ST9120C4057 Description/Specs: The Furnace Control Circuit Board is the brain of the unit. Nearly every function of the furnace is controlled by this control board. Many times, a control board will be equiped with an LED diagnostic light. When y ...  More $134.99
    • Honeywell ST9120C4057, HQ1011927HW Furnace Control Circuit Board

      eBay For sale used Honeywell ST9120C4057, HQ1011927HW furnace control circuit board. Item was removed from working furnace for upgrade. It was tested and it is in working condition. For more details see photos. $49.0
    • Honeywell ST9120C4057, HQ1011927HW Furnace Control Circuit Board

      eBay For sale used Honeywell ST9120C4057, HQ1011927HW furnace control circuit board. Item was removed from working furnace for upgrade. It was tested and it is in working condition. For more details see photos. $54.0
    • Honeywell ST9120C 4057 Furnace Circuit Control Board HQ1011927HW ST9120C4057

      eBay Honeywell ST9120C 4057 Furnace Fan Circuit Control Board HQ1011927HW Description This is a circuit board that has been removed from a working furnace and has been tested. Items will be shipped on the same day payment is received. Please contact us with any questions or if you need pricing for overnight shipping. Thanks! Payment We gladly accep ...  More $45.0
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