Description
Ensure reliable temperature based fan control in your HVAC or heater system with the Reznor 146465 Auto Fan Limit Switch. This genuine OEM limit control is engineered to activate your unit’s blower fan at the right temperature and help protect your system from overheating, maintaining efficient and safe operation.
Key Features
- Automatic Fan Control: Activates the blower fan when internal temperatures reach approximately 105 °F and deactivates it as temperatures fall below 135 °F, optimizing airflow and comfort.
- OEM Grade Quality: Manufactured by Reznor for precision fit and dependable performance in compatible unit heaters and HVAC equipment.
- Temperature Driven Operation: Smoothly regulates blower operation based on heat levels, helping to extend equipment life and improve efficiency.
- Compact & Durable: Built tough for the demanding conditions inside commercial and residential heating systems.
- Easy Replacement: Designed as a direct swap in replacement for worn or malfunctioning fan limit controls on select Reznor units.






