
The Honeywell AT20B1056 transformer is a reliable 120 to 24 volt step-down transformer rated at 20 VA for HVAC control circuits. It mounts by conduit nipple and provides 7-inch primary leads with a secondary offering both screw and quick-connect terminals for flexible wiring. This transformer supplies clean control power to thermostats, relays and gas valves in residential and light-commercial systems.
Specifications
| Type | Transformer |
|---|---|
| Primary | 120V |
| Secondary | 24V |
| Rating | 20VA |
| Mounting | Conduit Nipple |
| Secondary Terminals | Screw / Quick Connect |