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.
90-T40F3 (or B11416-00)
The manufacturer substituted part B11416-00 with this new part 90-T40F3
Plumbing and Heating
4" INHx 3.1" INHx 2.6"FOT
- Installations last year: 326
- Average installation time: 86 minutes
- Level of repair difficulty: