Description
The Modine 5H0794410012 Pressure Switch 1.54″ Wc is a pressure-sensing control component used in heating units to monitor airflow and venting conditions during system operation in HVAC systems. Installed within the combustion air or exhaust, it detects pressure changes and communicates with the control board to verify that required airflow levels are present before ignition and during the heating cycle. This switch helps support safe working by confirming proper conditions prior to burner activation. Commonly used in furnaces and other heating applications, it is part of the safety and control within equipment.
