McDonnell & Miller 469 Boiler Low Water Cut-OffMcDonnell & Miller 469 Boiler Low Water Cut Off ensures reliable boiler protection for steam and hot water systems. This float type, mechanical actuation low water cutoff helps prevent dangerous low water conditions by automatically shutting the boiler off when water levels fall below the safe threshold. Built for both residential and commercial use, it combines rugged construction with precise sensing to reduce downtime and maintenance. Key

ensuring secure fit and dependable ignition

and features a 3/4 inch male threaded connection for quick

delivering dependable performance under a wide temperature range

this durable electromechanical switch is designed to stand up to demanding environments and provide consistent actuation in control systems

it supports quick retrofits in new or retrofit projects

Materials: stainless steel casing

Includes Damper Shaft

Applications: heating systems

Conversion type: LP to NAT

offering straightforward installation thanks to its threaded connections and durable brass construction

making it a smart replacement part for home comfort and energy efficiency

Performance: 60 s open