McDonnell & Miller 7-B Switch Els PW 29614 or if it trips the

or if it trips the overload protector immediately upon startup

this housing is designed to maintain tight tolerances for static pressure management and optimal CFM delivery

While designed primarily for Amana and Goodman equipment

System Protection: Captures large debris to prevent damage to expensive ionizing wires and internal collection cells

it features a manual override hand lever for field adjustments

McDonnell & Miller 7-B Switch Els PW 29614 or if it trips theThe McDonnell & Miller 7 B Switch (Part Number 110800) is a critical component for specialized boiler control systems requiring potentiometer proportional control. This auto reset low water cut off switch is engineered to work in tandem with Series 93 and 94 pump controllers, providing precise positioning for modulating valves and ensuring consistent water levels in commercial steam applications. Unlike standard snap action switches, the 7 B utilizes