McDonnell & Miller 93HD Low Water Cut-Off/Pump Controller Head Mechanism

McDonnell & Miller 93HD Low Water Cut-Off/Pump Controller Head Mechanism provides dependable protection and seamless pump control for boiler systems. This Type Head Mechanism is designed for use with the 93/193 Series Low Water Cut-Off/Pump Controller, delivering reliable safety shutoff and precise pump operation during normal and low-water conditions. Built for durable service in commercial and residential boiler applications, it helps prevent damage from low water while ensuring consistent pump performance. It operates reliably across a range of boiler configurations and pressures.

Key benefits of this head mechanism include:

• Type Head Mechanism design for straightforward installation and field replacement
• 93/193 Series compatibility with standard Low Water Cut-Off/Pump Controllers
• Reliable boiler protection through accurate cut-off and prompt pump control
• Durable construction built to withstand frequent cycling and demanding environments
• Easy maintenance and simple adjustments for ongoing reliability

Whether upgrading existing equipment or stocking service parts, this head mechanism ensures safe operation and minimizes downtime in boiler systems.