covering most two-stage HSI systems

It features standard 1/2" x 1/2" NPT inlet and outlet ports

it is designed for a dry fit against clean

making it suitable for both chilled water and heating hot water applications

What capacitor is required for the US Motors 1697

McDonnell & Miller 7-B Switch 30067439-890 covering most two-stage HSI systemsThe 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