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consistent combustion by monitoring the millivolt signal and initiating a safety lockout if a flame is not detected during the trial-for-ignition period
Field Serviceability: Designed for easy manual flushing and in-line repairs using standard service tools
The Lennox 69M18 Pressure Switch
as it would constantly admit air into the return line
Operating at 120 Volts and 60 Hz
Cleveland Controls RFS-4100-078 Air Flow Switch 320074-702 consistent combustion by monitoring theThe Cleveland Controls RFS 4100 078 Air Flow Switch is a high sensitivity differential pressure switch specifically engineered for HVAC ventilation monitoring and air proving applications. This unit features a factory calibrated 0. 17" WC actuation point, making it an essential component for detecting low airflow conditions in critical ducts or air handling units. Built with a robust plated housing and a durable silicone diaphragm, the RFS 4100 078