Drawing of the part type. Check the specs and the label on your old part.
TRANSFORMER
Foot Mounted 120/208/240 Vac Transformer with 9 in. Lead Wires and Plastic End Caps (Resideo AT140B1214)
Part no. AT140B1214 · Compatible replacement part · Resideo
VA RATING
40 VA
INPUT VOLTS
240V
OUTPUT VOLTS
27 V.O.C.
$44.49
- Ships in 1 to 2 business days. Free over $49.
- 30-day returns on unused parts.
- 1-year warranty. Details
- Questions? Ask us to check the fit
FIT CHECK: MATCH THESE NUMBERS
Hold your old transformer next to this list. 3 ticks means it fits.
THIS PART'S NUMBERS
140 VA
2240V
327 V.O.C.
Tick each box once you check it. 3 left to check.
Specs
| Use | 24v Controls |
|---|---|
| Input volts | 240V |
| Mount | Foot |
| Output volts | 27 V.O.C. |
| Wiring | 9" leadwires |
| Hertz | 60 |
| Output | 24 Vac at 40 VA |
| Temperature range | -20°F - 105°F |
| VA rating | 40 VA |
| NEMA rating | None |
| Height | 1-11/16" |
| Width | 3-1/2" |
| Depth | 3-5/8" |
| Features | Plastic End Caps |
| Condition | New |
Will it fit?
Match the specs on your old part. Brand does not matter. The numbers do.
Brand names and part numbers are shown only to help you find a compatible part. This is not a brand-made part. We are not affiliated with or endorsed by these companies.
Safety: read before you start
- Turn off power at the breaker. Then pull the disconnect by the outdoor unit.
- A capacitor can hold a charge after power is off. Do not touch its terminals until it is discharged.
- Take a photo of the wires before you remove them.
- Not comfortable with any step? Call a licensed HVAC tech.
Shipping
Ships in 1 to 2 business days. Free standard shipping on orders over $49. You get tracking by email.
Returns
Return unused parts within 30 days. Parts that were installed or wired in can not be returned unless they are defective. Return policy.
Warranty
1-year warranty against defects. Keep your order email. Warranty details.