Description
The Weil McLain 383-600-073 Air Pressure Switch is a safety control part used in compatible boiler systems to monitor combustion during operation. It detects proper airflow conditions created by the inducer motor and checking that the venting system is operations correctly before allowing ignition. Installed within the boilers control and burner assembly, it supports avoid unsafe firing conditions by signaling the control board when adequate draft or pressure is present in HVAC systems. This switch works an essential component in maintaining safe startup sequences and accurate combustion system performance in residential and light commercial heating applications.









