Lochinvar & A.O. Smith 100166222 Pressure Switch 321894-709 With a 3/8" x 2-1/2"

With a 3/8" x 2-1/2" flat shaft and single-speed operation

the Trane SWT1273 prevents equipment damage and ensures the system operates within safe design parameters

making it an ideal choice for R134a refrigeration systems

maintaining matching electrical and physical specifications

Lochinvar & A.O. Smith 100166222 Pressure Switch 321894-709 With a 3/8" x 2-1/2"The Lochinvar & A. O. Smith 100166222 Pressure Switch is a critical safety component engineered for precise induced draft monitoring in high efficiency commercial boilers and water heaters. As a veteran grade HVAC pressure switch, this part ensures the combustion fan or inducer motor is moving sufficient air to safely vent flue gases before the ignition sequence begins. Built to handle the rigorous demands of hydronic heating systems, it features a