Description
The Reznor 197078 Air Flow Switch is a genuine OEM replacement component engineered for use with compatible Reznor heating units. Air flow switches play a critical role in the safe operation of heating equipment by verifying that adequate airflow is present before and during burner operation — helping to prevent unsafe conditions and protecting heat exchangers from overheating.
Key Features
- Genuine Reznor OEM replacement part (SKU: 197078)
- Designed to confirm proper airflow in Reznor heating systems
- Helps prevent unsafe burner operation in low- or no-airflow conditions
- Supports reliable system performance and equipment longevity
- Direct OEM fit for compatible Reznor unit models
Application
This air flow switch is intended as a direct replacement for Reznor commercial and industrial heating equipment. It integrates into the unit’s safety control circuit, ensuring the system only fires when sufficient airflow is confirmed. Always verify compatibility with your specific Reznor model before installation.
Installation Notes
- Refer to your Reznor unit’s service manual for proper installation procedures
- Disconnect power before servicing or replacing any control components
- Consult a qualified HVAC technician for installation and commissioning







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