Lochinvar & A.O. Smith 100208408 Pressure Switch 322838-752 With a 1/2 inch NPT

With a 1/2 inch NPT connection

This genuine Lennox mounting hardware provides the exact bolt-hole pattern required for a drop-in fit

and LP-air mixtures without specialized conversion kits

this component provides the essential safety interlocking required for safe burner operation

Lochinvar & A.O. Smith 100208408 Pressure Switch 322838-752 With a 1/2 inch NPTThe Lochinvar & A. O. Smith 100208408 Pressure Switch is a critical safety component designed for high efficiency boilers and water heaters. As a low air pressure switch, its primary function is to monitor the differential pressure within the combustion chamber and venting system. Specifically engineered as an OEM replacement part, the 100208408 ensures that the inducer blower is generating sufficient airflow to safely exhaust flue gases and support