McDonnell & Miller 51-2-HD Mechanical Water Feeder/Low Water Cut-Off Head Mechanism

The McDonnell & Miller 51-2-HD Mechanical Water Feeder/Low Water Cut-Off Head Mechanism is engineered for reliable boiler water feed and automatic low-water protection.

Designed for use on the 51-2 series, this Type Head Mechanism combines feeder and cut-off functions with two switches for dependable safety.

Key benefits include precise water level control, reduced risk of boiler dry-fire, quick installation, compatibility with standard 51-2 series components, and low-maintenance operation.

Built for durability, the unit features rugged materials, corrosion-resistant fittings, and straightforward servicing, ensuring long-term reliability in busy commercial and industrial boiler rooms.

• Fits the 51-2 series mechanical water feeder head
• Type Head Mechanism design for reliable operation
• Includes (2) switches for redundancy
• Automatic water feed with low-water cut-off
• Durable construction and easy installation