Lennox 97J69 Pressure Switch 320788-704 With a factory-preset 3% deadband

With a factory-preset 3% deadband and an input span of 16mAdc starting at 4mAdc

The Fenwal 35-655705-001 Control is a rugged

Robust Local Sensing: Utilizes the spark electrode for flame rectification

the Weil McLain 383-500-630 package includes both the integrated temperature and pressure sensors required for a full replacement of the original dial assembly

Low Pressure Design: Specifically engineered for 0-25 PSI applications

Lennox 97J69 Pressure Switch 320788-704 With a factory-preset 3% deadbandThe Lennox 97J69 Pressure Switch is a critical safety component designed for specific Lennox furnace models to monitor induction blower performance and flue venting integrated within the combustion circuit. This SPST (Single Pole Single Throw) vacuum switch is factory calibrated to a . 85" WC (Water Column) set point, ensuring the system only initiates the ignition sequence when proper static pressure is established. Featuring a standard 1 4" barb