McDonnell & Miller 64HD Low Water Cut-Off Head Mechanism

The Low Water Cut-Off Head Mechanism for McDonnell & Miller 64HD delivers reliable boiler safety and precise water level control. Designed for use on the 64/64A Series Float Type Low Water Cut-Offs, this head mechanism ensures accurate sensing and smooth operation, with a gasket and bolt included for fast, secure installation. Ideal for service and replacement, it fits standard assemblies and provides long-lasting performance in industrial boiler systems.

Built to endure demanding environments, the 64HD head works with McDonnell & Miller 64/64A float-type LWCOs, delivering dependable shutoff when water is low. The unit is a straightforward replacement part that minimizes downtime and preserves system safety. The included gasket and bolt simplify mounting, while the rugged head mechanism supports steady operation in daily boiler cycles.

• Includes gasket and bolt for quick, secure installation
• Compatible with McDonnell & Miller 64HD and 64/64A Series Float Type Low Water Cut-Off
• Durable head mechanism designed for reliable boiler safety
• Precise water level sensing to prevent boiler damage
• Easy replacement part to minimize downtime and maintenance costs