Lochinvar & A.O. Smith 100113143 Switch 322838-752 or maintaining flow during a

or maintaining flow during a power outage

Built to withstand the thermal demands of high-cycle operation

Plug-and-Play Compatibility: Includes the correct terminal connector

and main burner flame

Lochinvar & A.O. Smith 100113143 Switch 322838-752 or maintaining flow during aThe Lochinvar & A. O. Smith 100113143 Blocked Inlet Switch is a critical safety component designed for high efficiency commercial water heaters and boilers, including the Cyclone BTH and State SUF series. This genuine OEM replacement part acts as a normally closed (NC) pressure sensor calibrated to 2. 5" WC. Its primary function is to monitor the integrity of the air intake system, ensuring the combustion blower receives adequate airflow for safe