McDonnell & Miller SA150-106R Low Water Cut-Off/Pump Controller Bellows Assembly

McDonnell & Miller SA150-106R Low Water Cut-Off/Pump Controller Bellows Assembly is a precision replacement part designed to protect boilers by accurately sensing water levels and coordinating pump operation. This bellows assembly ensures reliable low-water cut-off and smooth pump control for continued, safe boiler performance.

Used on 42/42S/150/150S Series Low Water Cut-Off/Pump Controller systems, this Type Bellows Assembly is built for durability and dependable operation in demanding boiler environments.

• Direct replacement for worn or damaged bellows in McDonnell & Miller low water cut-off/pump controllers.
• Precise water level sensing to trigger pump operation and prevent dry firing.
• Compatible with 42/42S/150/150S Series Low Water Cut-Off/Pump Controller units.
• Durable bellows design for long service life in boiler systems.
• Easy installation with standard fittings for quick maintenance.
• Ideal for commercial and light industrial boiler applications.

Invest in this reliable bellows assembly to maintain safe boiler operation, minimize downtime, and protect your pump hardware. The SA150-106R fits the McDonnell & Miller family as a trusted replacement part for consistent performance.