Weil McLain 511-624-404 Pressure Switch

The Weil McLain 511-624-404 Pressure-Switch is a safety part that is used in HVAC systems. It works by opening and closing an electrical circuit when pressure changes to prevent unsafe operating condition. It is commonly installed in boilers to assure efficient performance and system protection. This switch allows for energy saving, durability improvement, and standard compliance of safety. It is a major contributor to maintaining optimum boiler functionality, as the boiler is required to work with exacting accuracy in both commercial and residential heating systems.