McDonnell & Miller 310437 Mechanical Water Feeder/Low Water Cut-Off Float

Mechanical Water Feeder/Low Water Cut-Off Float from McDonnell & Miller 310437 delivers reliable boiler protection by combining a float-type water feeder with a built-in low-water cut-off. This compact, dependable device helps maintain safe water levels and protects equipment from damage due to low water conditions.

Designed for use with the 51/51-2/51-S/51-S-2 Series Mechanical Water Feeder/Low Water Cut-Off, this model integrates seamlessly into standard heating systems. The float mechanism responds to water level changes and triggers the feeder as needed, while the cut-off provides automatic shut-off when water levels drop too low.

• Model: 310437
• Brand: McDonnell & Miller
• Type: Float
• Function: Mechanical Water Feeder / Low Water Cut-Off
• Series compatibility: 51/51-2/51-S/51-S-2 Series

Ideal for maintenance shops and field service, this replacement float keeps systems running efficiently with minimal supervision. Durable and easy to install, it helps reduce downtime and extend equipment life.