Description
Lochinvar & A.O. Smith 100208249 — 120V/24V 50VA Control Transformer
The Lochinvar & A.O. Smith 100208249 is a purpose-built control transformer designed to deliver consistent, low-voltage power to the control circuits of Lochinvar and A.O. Smith boilers and water heaters. By stepping down a 120V primary supply to a stable 24V secondary output at a 50VA capacity, this transformer ensures your control boards, thermostats, and safety devices receive clean, reliable power for optimal system performance.
Key Specifications
- SKU: 100208249
- Primary Voltage: 120V AC
- Secondary Voltage: 24V AC
- VA Rating: 50VA
- Compatible with Lochinvar and A.O. Smith boiler and water heater systems
Features & Benefits
- Engineered as a direct OEM replacement for Lochinvar and A.O. Smith equipment
- 50VA capacity supports control boards, thermostats, and low-voltage safety circuits
- Steps 120V primary voltage down to a safe 24V secondary for control circuit protection
- Helps maintain system uptime by providing stable, consistent voltage to critical controls
- Designed for straightforward installation in existing equipment
Application
This transformer is the correct OEM replacement for Lochinvar and A.O. Smith boilers and water heating systems requiring a 120V-to-24V, 50VA step-down transformer. Using the genuine manufacturer part ensures compatibility, reliable operation, and helps protect your equipment warranty.







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