McDonnell & Miller 94HD Low Water Cut-Off/Pump Controller Head Mechanism

Low Water Cut-Off/Pump Controller Head Mechanism, the McDonnell & Miller 94HD, delivers reliable boiler safety and pump control. This Type Head Mechanism is designed for use on the 94/194 Series Low Water Cut-Off/Pump Controller, offering dependable actuation in boiler systems.

Engineered for compatibility with existing McDonnell & Miller controls, this head mechanism provides precise water-level sensing and consistent shut-off performance. It is built to withstand typical boiler room conditions and is a proven replacement part for service, maintenance, and retrofit projects.

Designed as a Type Head Mechanism and built to integrate with the 94HD series, it ensures seamless compatibility with replacement parts and service schedules. This makes upgrades simple for facilities managing older equipment.

• Compatibility: 94/194 Series Low Water Cut-Off/Pump Controller
• Durable construction for long service life
• Precise actuation for reliable water-level protection
• Easy installation and quick field replacement
• Trusted McDonnell & Miller quality for boiler safety

Keep your boiler system running safely with this authentic 94HD head mechanism.