Rheem-Ruud 46-100836-01 Control Transformer Overview
The Rheem-Ruud 46-100836-01 is an OEM replacement control transformer engineered to deliver dependable, low-voltage power to HVAC control circuits. Stepping down 208/230V primary voltage to a 24V secondary output at a 40VA capacity, this transformer ensures your heating and cooling system’s control board, thermostat circuit, and safety devices receive clean, stable power for consistent operation.
Key Features
- Primary Voltage: 208/230V
- Secondary Voltage: 24V
- VA Rating: 40VA
- OEM Rheem-Ruud replacement part — direct-fit compatibility
- Designed to power 24V control circuits in residential and light commercial HVAC equipment
- Provides stable, regulated low-voltage output for thermostats, control boards, and safety devices
- Durable construction for long service life in demanding HVAC environments
Application
This transformer is a genuine Rheem-Ruud replacement component intended for use in compatible Rheem and Ruud heating, cooling, and air handling equipment. It serves as the power source for 24V control circuits, making it a critical component for proper system operation. Always verify compatibility with your specific equipment model before installation.
Why Choose an OEM Replacement?
Using an OEM-specified transformer like the 46-100836-01 ensures proper fit, correct electrical ratings, and reliable performance — reducing the risk of control circuit failures, nuisance tripping, or equipment damage caused by mismatched aftermarket parts.








