McDonnell & Miller 63M-HD Low Water Cut-Off Head Mechanism

The McDonnell & Miller 63M-HD Low Water Cut-Off Head Mechanism is designed to provide reliable boiler safety by precisely detecting low water levels and triggering a safe shutdown when needed. This head mechanism is a robust replacement for the 63 Series Low Water Cut-Off, delivering consistent performance in demanding boiler applications.

Built for compatibility with typical McDonnell & Miller 63 series controls, it includes a manual reset option, along with a gasket and bolt to simplify installation and ensure a tight, leak-free fit. Designed for long service life, the 63M-HD head mechanism delivers dependable operation under varying boiler pressures and temperatures, helping protect equipment and maximize uptime.

• Type: Head Mechanism for 63 Series Low Water Cut-Off
• Includes: Manual reset, gasket and bolt
• Durability: Rugged construction for long service life
• Installation: Easy to install with secure sealing
• Protection: Reliable boiler safety by maintaining proper water levels