International Comfort Products 17400516000020 Pressure Switch

The International Comfort Products 17400516000020 Pressure switch is designed to sense and regulate air pressure within heating equipment. It operate by detecting changes in airflow and activating or deactivating an internal electrical circuit when the set pressure point is reached. Within HVAC systems it is typically used in furnaces and air handling units to verify proper draft from the inducer motor before ignition and to maintain safe venting conditions during operation. It communicate with the control board to allow, or stop system start-up based on pressure feedback supporting correct sequence control in heating applications.