Lochinvar & A.O. Smith 100109932 Switch 322838-752 This pneumatic control valve is

This pneumatic control valve is built for longevity

and HE II series boilers

For technicians performing HVAC furnace repair or seasonal maintenance on Reznor F and B series units

Whether you are managing chiller low-temperature protection or monitoring forced oil lubrication systems

drop-in solution for Intertherm

Lochinvar & A.O. Smith 100109932 Switch 322838-752 This pneumatic control valve isThe Lochinvar & A. O. Smith 100109932 Blocked Outlet Switch is a critical safety component designed for high efficiency condensing boilers and water heaters. As a normally closed pressure switch, this device monitors backpressure within the venting system to ensure toxic flue gases are properly evacuated. If the vent becomes obstructed or the condensate drain system fails, the 100109932 interrupts the burner circuit, preventing unsafe operation and