Description
The Weil McLain 511-624-302 SPST Pressure Switch is an SPST control component that monitors in HVAC systems. It operates at 1.40″ WC and signals the system to activate or shut down according to set thresholds to ensure safety. This switch is commonly used in furnaces and boilers to prevent operation under unsafe conditions and to maintain efficient performance. The durable sensing improves the system longevity and reduces the necessary maintenance, making it suitable to control constant airflow in residential and commercial heating applications.









