Lochinvar & A.O. Smith 100288430 Switch 320074-702 As a factory-authorized replacement HVAC

As a factory-authorized replacement HVAC motor

High Compatibility: Designed for use with R-410A

making it suitable for chilled water

or motor stalls without relying on inaccurate voltage-based sensing

Lochinvar & A.O. Smith 100288430 Switch 320074-702 As a factory-authorized replacement HVACThe Lochinvar & A. O. Smith 100288430 Low Air Pressure Switch is a critical safety component designed for high efficiency condensing boilers and water heaters. As a veteran technician knows, this normally open switch is calibrated to a precise 0. 75" water column (W. C.) set point. It serves as the primary "proof of airflow" for the inducer motor, ensuring that the combustion blower is creating sufficient negative pressure to safely evacuate flue