Description
Ensure reliable, low-voltage power for your HVAC control systems with the Honeywell/Resideo AT72D1089 Foot-Mounted Transformer. This 40 VA step-down transformer is ideal for powering 24 VAC devices such as thermostats, gas valves, and relays—especially where durable installation and safety compliance are essential.
Features:
- Override protection
- Color-coded lead wires for primary connections
- Energy limiting and meets NEMA Standard DC20-1992
- Transformers are marked NEMA Type D enclosure
- Meets NEC Class 2 not wet, Class 3 wet and UL 1585 requirements









