McDonnell & Miller 2M Mechanical Water Feeder/Low Water Cut-Off Switch

McDonnell & Miller 2M Mechanical Water Feeder/Low Water Cut-Off Switch is a reliable boiler accessory that automatically feeds water and protects your system from dangerous low-water conditions. This switch-type control ensures safe, consistent operation in residential and commercial heating setups, reducing the risk of boiler shutdowns and dry-fire damage.

Compatible with the 63/47/47-2/247/247-2 Series Mechanical Water Feeder/Low Water Cut-Off units, this model features a manual reset option and robust mechanical operation designed for long service life.

• Type: Switch-type water feeder and low-water cut-off that automatically responds to boiler water level.
• Includes: Manual Reset for controlled reactivation after an interruption or service event.
• Series compatibility: Suitable for 63/47/47-2 and 247/247-2 mechanical water feeder/low water cut-off series.
• Function: Maintains proper boiler water level to prevent low-water conditions and protect heat exchangers.
• Application: Ideal for residential or light commercial boilers requiring reliable water feed and safety shut-off.

Built for durable performance, the McDonnell & Miller 2M switch provides dependable boiler protection with minimal maintenance. It’s an excellent choice for upgrading older systems or stocking a replacement part for ongoing service.