McDonnell & Miller 150S-MD Boiler Low Water Cut-Off/Pump ControllerThe McDonnell & Miller 150S MD Boiler Low Water Cut Off Pump Controller is a critical safety and control device for commercial and industrial boilers. This mechanical actuation based unit combines a low water cutoff with a pump controller to protect boiler operation and prevent equipment damage. Designed for steam and water systems, it features a 1 inch BSPT port connection, a 50 PSI pressure rating, and flexible power options for 120 240 VAC. The

connections for easy system integration

Key Materials: NBR Seal & Disc

reliable gas pressure control for residential and commercial cooking appliances

6 A @ 240 VAC (full load)

50/60 Hz systems with a flame rectification amplifier to deliver precise flame sensing and reliable ignition monitoring in demanding industrial settings

Ideal for routine maintenance or urgent seal repairs

reducing wear on equipment and helping curb running costs

reliable control for your Goodman HVAC system

With its durable construction

UL listed (Canada and US) for compliance and safety

Media handled: Steam

providing reliable relief when needed