CONFIRM THE PART FITS
Part Information
This transformer (part number 90-T40F3) is for furnaces.
Transformer 90-T40F3 supplies low voltage to operate the thermostat and other components within the furnace.
Disconnect electrical power before installing this part. Wear work gloves to protect your hands.
Top models using the same part
| Model Name | Model Number | Diagram Name |
|---|---|---|
| Model #A36-05 Goodman air handler | A36-05 | Air handler |
| Model #A49-08C GMC air handler | A49-08C | Air handler |
| Model #A61-10 Goodman air handler | A61-10 | Air handler |
| Model #A60-20 GMC air handler | A60-20 | Air handler |
| Model #A48-15 GMC air handler | A48-15 | Air handler |
| Model #A48-15 Janitrol air handler | A48-15 | Air handler |
| Model #A49-15 Janitrol air handler | A49-15 | Air handler |
| Model #A61-15 Janitrol air handler | A61-15 | Air handler |
| Model #A60-20 Goodman air handler | A60-20 | Air handler |
| Model #867814920 Kenmore heating & cooling combined unit | 867814920 | Functional replacement parts |
Reviews
Easily installed, perfect match.
This was replacement part for a 35 year old furnace which now runs like new.
dba: M P, Rochester, MN
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- Ease of Installation
- Very Difficult
- Duration of Installation
- 30 minutes - 1 hour