Description
The Lochinvar & A.O. Smith 100208250 is a purpose-built 50VA step-down control transformer designed as a genuine OEM replacement for Lochinvar and A.O. Smith boilers and water heating equipment. It steps a 120-volt primary supply down to a 24-volt secondary output, delivering the low-voltage power required to operate burner controls, ignition modules, and other 24V control circuits with consistent, dependable performance.
Key Features
- Primary voltage: 120V AC
- Secondary voltage: 24V AC
- VA rating: 50VA
- Genuine OEM Lochinvar & A.O. Smith replacement part
- Designed for use in boilers and commercial/residential water heating systems
- Provides stable low-voltage power to burner controls and ignition circuits
- Direct drop-in replacement for simplified installation
Application
This transformer is engineered specifically for Lochinvar and A.O. Smith heating equipment, ensuring proper fit and electrical compatibility. Using a genuine OEM part maintains system integrity, supports warranty compliance, and reduces the risk of control circuit failures caused by undersized or mismatched aftermarket components.
Why Choose OEM?
OEM transformers are matched to the exact VA load requirements of the control board and safety circuits in your equipment. The 100208250 delivers the full 50VA capacity needed to power 24V controls reliably under continuous duty conditions, helping to extend the service life of downstream components.







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