McDonnell & Miller is the definitive brand for boiler water level controls, and Plumbing Planet stocks their essential low water cutoff devices and water feeder units for steam and hot water boiler systems. Our McDonnell & Miller selection includes electronic and mechanical low water cutoffs, combination feeder-cutoffs, boiler water feeders, and float-actuated switches — the safety controls that prevent dry-firing and protect boiler investment. Compatible with steam and hydronic systems from major boiler manufacturers.
McDonnell & Miller is the definitive brand for boiler water level controls, and Plumbing Planet stocks their essential low water cutoff devices and water feeder units for steam and hot water boiler systems. Our McDonnell & Miller selection includes electronic and mechanical low water cutoffs, combination feeder-cutoffs, boiler water feeders, and float-actuated switches — the safety controls that prevent dry-firing and protect boiler investment. Compatible with steam and hydronic systems from major boiler manufacturers.
