Lochinvar & A.O. Smith 100166156 Pressure Switch Freon Is this a direct replacement

Is this a direct replacement for older BASO models

What is the typical timing for this model

Can this be used for one-pipe steam systems

Built with a NEMA 48 frame and a 1/2-inch diameter shaft

tripped circuit breakers on startup

Lochinvar & A.O. Smith 100166156 Pressure Switch Freon Is this a direct replacementThe Lochinvar and A. O. Smith 100166156 Air Pressure Switch is a critical safety component designed for precise differential pressure sensing in high efficiency water heaters and boilers. This switch, which is identical to PRS2405, monitors the venting system to ensure the combustion blower is moving sufficient air for safe operation before the ignition sequence begins. Built to handle low positive or negative pressure fluctuations, it prevents short