McDonnell & Miller is a leader in engineering and manufacturing boiler controls, liquid level controls, low-water cutoffs, and flow switches for steam and hot water boilers in industrial, commercial, and building trades applications.

Features and Benefits

• Field-adjustable dwell-feed cycles
• Multi-color LED status indicator
• Manual feed button
• Hard-stop limit to minimize chances of flooding the boiler
• Compatible with all electronic & mechanical
• Low Water Cut-Offs
• Includes adapters for connection to 1/2” copper tubing
• Removable strainer (replace after cleaning)
• Maximum water pressure 150 psi (10.5 kg/cm2)
• Maximum boiler pressure 15 psi (1 kg/cm2)
• Maximum water temperature 120°F (49°C)
• Maximum ambient temperature 100°F (38°C)
• Maximum power consumption (during feed cycle)
• 15 VA @ 24VAC
• 20 VA @ 120 VAC (50 or 60 Hz)