Description
The Lochinvar & A.O. Smith PRS30029 Pressure Switch is a safety and control part manufactured to monitor air or gas within water heating and boiler systems. It operates by detecting levels and opening or closing an electrical circuit to ensure proper operation of combustion and airflow components. Commonly used in commercial water heaters and pool heaters, it is installed within the system’s airflow or venting assembly. This switch plays an essential role in system safety by preventing operation under improper pressure conditions in the HVAC system.
