Lochinvar & A.O. Smith 100208405 Pressure Switch 326058-757 always confirm flow orientation by

always confirm flow orientation by following the arrow stamped on the 048212 filter drier shell

While the base 35-72 series shares dimensions

this valve is designed to handle demanding industrial and commercial plumbing applications

this specific adapter is not required for the installation

Lochinvar & A.O. Smith 100208405 Pressure Switch 326058-757 always confirm flow orientation byThe Lochinvar & A. O. Smith 100208405 Pressure Switch is a critical safety component designed for high efficiency condensing boilers and commercial water heaters. This OEM replacement pressure switch monitors the pressure differential within the combustion chamber or venting system to ensure safe operation. When the blower motor proof is established, the switch closes its contacts to allow the ignition sequence to proceed. If a blocked flue or