McDonnell & Miller 7B Mechanical Water Feeder/Low Water Cut-Off Electric Switch/Proportioning Control

McDonnell & Miller 7B Mechanical Water Feeder is a reliable low water cut-off electric switch and proportioning control for boiler systems. This compact unit is designed for the 93/193/94/194 series, providing precise water feed while automatically maintaining safe boiler water levels.

With an integrated electric switch and proportioning control, it delivers consistent operation, reduces manual checks, and enhances overall boiler safety. Built for long service life in commercial and industrial settings, the 7B supports straightforward installation and dependable performance across demanding duty cycles.

• Compatible series: 93/193/94/194 mechanical water feeder / low water cut-off
• Control features: Electric switch and proportioning control for accurate water feed
• Safety: Low water cut-off protects boiler from low-water damage
• Installation: Compact design, easy integration with existing systems
• Durability: Robust construction for demanding boiler environments

Ideal for replacement or upgrade in commercial boiler rooms, this part delivers reliable performance, compatibility, and peace of mind for operators who rely on steady water feed and automatic level control.