Lochinvar & A.O. Smith 100166146 Pressure Switch Refrigerant Factory-calibrated to a 1

Factory-calibrated to a 1

this specific model is designed exclusively for 120V primary input

If your existing studs are corroded or seized due to moisture

Advanced Safety Monitoring: Employs local flame sensing and microprocessor control to prevent hazardous gas buildup

Lochinvar & A.O. Smith 100166146 Pressure Switch Refrigerant Factory-calibrated to a 1The Lochinvar 100166146 Pressure Switch is a critical safety component designed for precise pressure monitoring within high efficiency commercial boilers and water heaters. Engineered as a direct replacement for the PRS2045, this manual reset pressure switch ensures the burners only fire when the venting system maintains safe atmospheric conditions. This OEM Lochinvar part is built to handle the rigorous duty cycles of A. O. Smith and Lochinvar Knight