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This listing sold on Wed, Jul 2 at 8:46.
GUARANTEED WORKING TESTED ST9120C4057 Control Board HQ1011927HW
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GUARANTEED WORKING TESTED ST9120C4057 Control Board HQ1011927HW
US $84.99US $84.99
Wed, Jul 02, 08:46 AMWed, Jul 02, 08:46 AM
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GUARANTEED WORKING TESTED ST9120C4057 Control Board HQ1011927HW

The Night Tech
(10917)
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US $84.99
ApproximatelyC $117.51
Best offer accepted
This item was listed in the fixed price format with a Best Offer option. The seller accepted a Best Offer price.
or Best Offer
Condition:
Used
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    Shipping:
    US $19.60 (approx C $27.10) USPS Ground Advantage®.
    Located in: Silver Spring, Maryland, United States
    Delivery:
    Estimated between Tue, Aug 26 and Sat, Aug 30 to 94104
    Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
    Returns:
    30 days return. Seller pays for return shipping.
    Payments:
         Diners Club

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    Seller assumes all responsibility for this listing.
    eBay item number:126917740856

    Item specifics

    Condition
    Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is ...
    Brand
    Honeywell
    Type
    Furnace Control Board
    Model
    ST9120C 4057
    MPN
    ST9120C 4057, ST9120C4057, HQ1011927HW

    Item description from the seller

    About this seller

    The Night Tech

    99% positive feedback•46K items sold

    Joined Sep 2011
    Visit storeContact

    Detailed seller ratings

    Average for the last 12 months
    Accurate description
    4.9
    Reasonable shipping cost
    4.8
    Shipping speed
    5.0
    Communication
    5.0

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    Seller feedback (11,482)

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      • 3***a (147)- Feedback left by buyer.
        Past 6 months
        Verified purchase
        Condition is as expected. Worked as intended. Happy with purchase & would buy from again.
      See all feedback

      Product ratings and reviews

      Learn more
      4.9
      19 product ratings
      • 17 users rated this 5 out of 5 stars
      • 2 users rated this 4 out of 5 stars
      • 0 users rated this 3 out of 5 stars
      • 0 users rated this 2 out of 5 stars
      • 0 users rated this 1 out of 5 stars

      Good value

      Would recommend

      Good quality

      Most relevant reviews

      See all 17 reviews
      • by dodgersnbolts
        Aug 08, 2019Top favourable review

        Fits and works!

        This part wasn't exactly the same as I thought I was buying (ST9120C4057) but it is compatible and matches all the same connectors as my previous board.the only thing it did not match up with is the pins to clamp down into place on the furnace. I used a hot glue gun to hold the board in place. I applied glue inside the small tin cups then inserted them into 2 of 4 pins that lined up seems to hold just fine. Also just saying I'm not an AC guy just some Joe fixing my issue.

        Verified purchase: YesCondition: NewSold by: abrefrigerant

      • by jimmer66!
        Nov 05, 2019

        Reliable circuit board. Fast fix

        I was able to quickly install this board moving one wired at I'm making sure that the connections were the same. All numbers matched perfectly and took about 15 minutes to change out the circuit board. HVAC company wanted $150 for the board Plus service fee and call. Fix myself for 35..

        Verified purchase: YesCondition: Pre-OwnedSold by: replacementhvacforless

      • by m3497
        Feb 11, 2020

        Solved the problem on an existing furnace.

        Direct, identical replacement, plug and play, works like a champ! Arrived as ordered, installed on my daughter's furnace, repair complete. HVAC "pro" identified problem as the gas valve, was way off...faulty ground on the old circuit board was the issue, and this replacement solved the issue upon installation.

        Verified purchase: YesCondition: Pre-OwnedSold by: hvacpartssupply

      • by 601canadianman
        May 09, 2017

        Saved me $$$

        The HVAC tech quoted me 500.00$ not including the service call???I made a jumper to keep the blower on until the new board came it works great Thank you

        Verified purchase: YesCondition: Pre-OwnedSold by: pdgg2010

      • by cguay568b3
        Jun 15, 2025

        Item was in worse shape then expected. T...

        Item was in worse shape then expected. There was alot of oxidation on the components. However that didnt impact the functionality

        Verified purchase: YesCondition: Pre-OwnedSold by: igorr5555

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