Resideo - Honeywell Home AT72D1006 Standard Transformer

AT72D1006 Standard Transformer from Resideo, a Honeywell Home brand, delivers reliable 120 V AC primary power to a 24 V AC secondary for safe residential combustion control systems. With a compact 40 VA rating and support for 50/60 Hz, it fits tight installations while delivering dependable performance.

Designed for a Residential Combustion Control System, this transformer features a NEMA Type D enclosure and a small footprint: 2-7/32" W x 2" D x 3-7/32" H. The unit includes a mounting plate and comes UL-listed and CSA approved for safe installation in homes. It’s engineered to work with standard thermostat, gas valve, and relay configurations to ensure smooth operation.

• Primary Voltage: 120 V AC
• Secondary Voltage: 24 V AC
• Frequency: 50/60 Hz
• Power Rating: 40 VA
• Temperature Rise: -20 to 105°F
• Enclosure: NEMA Type D
• Size: 2-7/32" W x 2" D x 3-7/32" H
• Mounting Plate Included
• Applications: Residential Combustion Control System
• Approvals: UL, CSA
• Includes: Thermostat, Gas Valve, Relay