Lochinvar & A.O. Smith 100166156 Pressure Switch Freon Built with a NEMA 48

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

For service professionals managing light commercial or residential maintenance

tripped circuit breakers on startup

Is this a direct replacement for older BASO models

What type of flow characteristic does the B213 provide

Lochinvar & A.O. Smith 100166156 Pressure Switch Freon Built with a NEMA 48The 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