|Item Weight||15.2 ounces|
|Product Dimensions||1 x 1 x 1 inches|
|California residents||Click here for Proposition 65 warning|
|Item model number||ST9120U1011|
|Item Package Quantity||1|
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Honeywell ST9120U1011 Universal Electronic Fan Timer
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- Enter your model number to make sure this fits.
- This is an O.E.M. authorized part
- Fits various Honeywell models
- OEM Part Number ST9120U1011
- Integrates control of combustion blower and circulating fan operations for a gas warm air appliance
- Replaces all ST9101's, all ST9120's, all ST9141's, and all ST9160's
- 18 to 30 Vac
- Replaces ST9120U1003
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This is an O.E.M. authorized part. Fits various Honeywell models . OEM Part Number ST9120U1011. This product is manufactured in USA.
From the Manufacturer
Universal Electronic Fan Timer with adjustable heat fan on, heat fan off, cool fan on, and cool fan off
One year warranty from purchase date, provided by heatcoolHOME. With proof of purchase from heatcoolHOME and professional installation.
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In my case it was almost a one for one transfer of wire leads from the old to the new board. Since this new "universal" board replaces so many others that are used in systems that have air purifiers, humidifiers, etc, the board comes with wire harnesses that enable you to adapt as needed to use it as a replacement in these systems. As an added bonus the new board has a diagnostic LED that flashes different codes to help you diagnose various system faults.
Just as a note of warning. If you don't know how to safely kill power to the system or have any other reservations about replacing this part, I would strongly advise you hire a qualified HVAC technician to do the work. If done incorrectly you could damage the new board or more importantly yourself.
Anyway, found out that the reason the fan control relay fried was that the actual fan motor that blows air into the house was going bad, pulling too much electricity through it as it degraded and resistance skyrocketed and my power bill started creeping up from a normal heating season.
Told the company techs that they were going to just fry a new board and the fan was the culprit. They replied that they always try a board first and then move onto the fan since it is labor intensive to remove and replace and instead recommend a complete new furnace (Quotes were 4 thousand dollars to 6 thousand dollars because it was an 'emergency no heat job') so that they can fully warranty the work. Again sounded fishy. Researched removing the fan motor and it is stupid easy. Take out two little screws and the whole fan assembly slides out on rails built into the furnace. Got the part number off the fan and ordered one up with next day air shipping after the one on here ended up not being in stock when the company said it was and had to cancel the order here.
So just yesterday I installed the new electric motor that was $275, a new start run capacitor (cheap and all installers recommend using a new capacitor with a new motor) for $10 and the fan control board here for $90 and with a simple follow the manual to adapt the wiring to the new style board, voila I have heat and the motor is rated at a 40+ year lifespan at normal heat and ac seasonal usage. Mentioned what I did on the subs I frequent on reddit.com and they all said, 'Yup you basically got a new furnace and it is what we HVAC techs do with our own home, no need to change out all the big sheet metal parts when it is just the fan motor, board and cap that you needed. The burner control unit when it goes is cheap and easy to change out too."
I feel so relieved that I now know how to work on a furnace and how simple and cheap they are to repair compared to the high pressure sales tactics the HVAC companies use to get you agree to all new everything for the price of a decent used car. Nope, I will do it myself for under $500 please and thank you!
Like others have pointed out that the relocating of Xformer terminals and terminals post size are really a pain for not handy person because you have to cut the wires, extend them, and find the right plug in size.
Besides all of that, it's a very easy swap, and the furnace starts working right away after the switch is slip ON.
If you have a horizontal furnace like mine, it is very hard to work on while finding a seating position on the ceiling joists in the attic...i installed a floor at the front face of the furnace and it made the install and previous diagnosis much much easier.
This new control board is recommended also because of the diagnostic LED which is helpful.