Description
The Utica-Dunkirk 550001339 is an OEM replacement control transformer engineered to deliver dependable, low-voltage power to the control circuits of Utica-Dunkirk boilers and heating systems. Stepping down 120V primary voltage to a clean 24V secondary output at a 40VA rating, this transformer ensures your control board, thermostat circuit, and safety devices receive stable, properly conditioned power for reliable system operation.
Key Features
- 120V primary voltage for standard residential and light-commercial line voltage connections
- 24V secondary output — the industry-standard control circuit voltage for thermostats, zone valves, and relays
- 40VA power rating provides ample capacity for typical boiler control loads
- OEM replacement part designed specifically for Utica-Dunkirk heating equipment
- Ensures accurate, stable voltage delivery to protect sensitive control components
- Drop-in replacement for simplified installation and reduced downtime
Application
This transformer is the correct OEM replacement for Utica-Dunkirk boilers and hydronic heating systems requiring a 120V-to-24V step-down transformer rated at 40VA. It powers the low-voltage control circuit that operates thermostats, aquastats, zone controls, and other 24V accessories. Using a genuine Utica-Dunkirk replacement part ensures compatibility and maintains the integrity of your heating system’s control architecture.
Product Specifications
- Brand: Utica-Dunkirk
- Part Number / SKU: 550001339
- Primary Voltage: 120V
- Secondary Voltage: 24V
- VA Rating: 40VA
- Type: Control Transformer (OEM Replacement)







Reviews
There are no reviews yet.