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

featuring slow opening and fast closing for safer

It is lead-free and ships with a seal kit

Suitable for a range of duct systems and climates

reliable split-phase blower designed to provide consistent draft control for furnaces and other venting applications

633 inches long by 3

Applications: Ideal for HVAC control circuits

Broad compatibility with control systems

this component fits seamlessly into compatible refrigeration and air‑conditioning applications

it delivers a snug fit with minimal air bypass and reduces maintenance interruptions

helping your system run smoothly without unnecessary wear

Works with Cage Trim

The motor features Insulation Class B