Back to home page
|Listed in category:

Picture 1 of 2

Last item available
Picture 1 of 2
Picture 2 of 2
Have one to sell?
Sell it yourself

ST9120U1011 - NO FRAME - Honeywell Electronic Control Circuit Board

Trusted Hvac Supply
(11146)
Seller's other items
Contact seller
US $63.00
ApproximatelyC $87.10
or Best Offer
Was US $70.00 (10% off)What does this price mean?
Recent sales price provided by the seller
Condition:
Used
“GUARANTEED WORKING - Tested before removal from a fully-functioning system.”
Sale ends in: 4h 9m
Last one7 sold
Breathe easy. Returns accepted.
Popular item. 7 have already sold.
Shipping:
US $9.99 (approx C $13.81) USPS Priority Mail®.
Located in: Nashville, Tennessee, United States
Delivery:
Estimated between Thu, Aug 28 and Tue, Sep 2 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. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
Payments:
     Diners Club

Shop with confidence

eBay Money Back Guarantee
Get the item you ordered or your money back. Learn moreeBay Money Back Guarantee - opens new window or tab
Seller assumes all responsibility for this listing.
eBay item number:192899089235
Last updated on Aug 25, 2025 15:31:30 EDTView all revisionsView all revisions

Item specifics

Condition
Used
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. See all condition definitionsopens in a new window or tab
Seller Notes
“GUARANTEED WORKING - Tested before removal from a fully-functioning system.”
Brand
Honeywell
Model
ST9120U1011
Compatible Model
ST9120U1011
MPN
ST9120U1011

Item description from the seller

About this seller

Trusted Hvac Supply

99.3% positive feedback•48K items sold

Joined May 2004
Usually responds within 24 hours
FAST SHIPPING * FREE TECH SUPPORT * SECURE PACKAGING * PROFESSIONAL * GREAT DEALS *Want someone who will answer your questions? I will respond asap.Want someone who will stand behind his products? I ...
See more
Visit storeContact

Detailed seller ratings

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

Seller feedback (11,104)

All ratings
Positive
Neutral
Negative
  • h***p (262)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Works just as promised, arrived extremely quickly and well packaged and had a like new appearance. I did not have to use their technical support, but they do a great job of communicating their willingness to help and I have no doubt it would have been a great experience. This controller proved to be an extraordinary value, saved me $6000.
    GUARANTEED WORKING TESTED GOOD - HK42FZ011 Control Board (#204976040349)
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Item as described great price fast shipping packaged well fast response time,great communication, haven't tried calling them to see if they help you with problems as they advertise but I'm sure they do everything else has been 100% accurate. Highly recomend seller, will definitely buy from again
  • *****- Feedback left by buyer.
    Past month
    Verified purchase
    Great quality brand new as described definitely cheaper then anyone around town shipped fast and if you need tech support the seller is there for you and very helpful I would buy from him again he guided me through gave me possible reasons to what my issue was and even offered to sell me the other part I need to get my ac blowing cold again
See all feedback

Product ratings and reviews

Learn more
4.7
60 product ratings
  • 52 users rated this 5 out of 5 stars
  • 4 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
  • 4 users rated this 1 out of 5 stars

Good value

Would recommend

Good quality

Most relevant reviews

See all 48 reviews
  • by coneheads5
    Jun 24, 2020Top favourable review

    Honeywell HVAC replacement control board

    This Honeywell control board can be used to replace a large number of older and outdated or obsolete control boards. This is the brain of your HVAC system. You must be careful to connect all the wires to the similar connections on this newer board for everything to work properly. Some of the names printed next to the connections have different names than what you may find on your older board. For example, S is the same as L1, designating the “hot” connection. N is the “neutral” or where many of the white wires will be connected to. The draft inducer motor can be designated as IND, or DI on an older board. Depending on your skill level or experience with HVAC wiring, you may have to spend some time on Google figuring out which connection corresponds properly to your old board. I did not ...

    Verified purchase: YesCondition: Pre-OwnedSold by: hvacpartssupply

  • by timmert
    Oct 14, 2019

    Great deal and easy to install !

    This circuit board was just as described. So easy to install. Worked perfect and now my furnace is giving me the heat I need up here in the cold. You sold this for way less than the others New in the box. Even less than some of the used ones. Thank you so much !

    Verified purchase: YesCondition: NewSold by: radotz0

  • by meemec.55
    Jul 06, 2017

    Installation not that straight forward.

    This is a universal replacement for several Honeywell boards so it's not an exact replacement. However, the instructions are clear with table that shows where each wire goes. It looks complicated but don't panic and follow the table and you'll be good. Also the mounting points are different, you may need a drill to make new holes.

    Verified purchase: YesCondition: NewSold by: babybluetriton

  • by angkor_16
    Feb 22, 2023

    Would buy it again if ever needed.

    Good package, item in good shape and worked fine after installation. Detailed instructions but I found where X and C connectors were too Big for my wires, I had to specially clip them off slightly to fit.

    Verified purchase: YesCondition: NewSold by: 784251

  • by kingjeyvang
    Jun 16, 2018

    Could not get any easier.

    My furnace is a Armstrong Ultra V with the ST9160B1068 board. And this thing fits perfectly without any additional plugs. Just got to make sure every wire goes to where it’s suppose to go. I’m not a service tech and I did this myself. Definitely recommend.

    Verified purchase: YesCondition: NewSold by: hvaconnect

More to explore: