PART TYPE / HVAC
Control transformers
Control transformers by part number. 24 V control transformers. Match VA. Every part lists the numbers it replaces and the models it fits.
14 parts
What to match
Control transformers
- 01Input volts: must match your supply, like 120 or 208/240
- 02Output: 24 V for most home systems
- 03VA: same or higher than your old one
Turn off power (and gas) before you work on HVAC equipment. Not sure? Call a licensed HVAC tech.
Questions
How many control transformers are listed?
14 parts, each with its part number, the numbers it replaces and the models it fits.
Who makes the control transformers listed here?
White Rodgers, Resideo, Packard, Supco. Brand names show fit only; match the numbers on your old part.
Where is the model number on a furnace?
The data plate is inside the lower blower compartment door. Search that number, or the part number printed on your old part.
More help: where to find the model number, part number or model number, pro and government quotes.