Lochinvar & A.O. Smith 100166222 Pressure Switch 321894-709 Enhanced Safety: The normally open

Enhanced Safety: The normally open contacts prevent the gas valve from opening if the venting system is compromised or the inducer motor fails to reach speed

What does the "CO AUTO" designation mean for this switch

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

making it an ideal choice for R134a refrigeration systems

and terminal units

Lochinvar & A.O. Smith 100166222 Pressure Switch 321894-709 Enhanced Safety: The normally openThe 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