McDonnell & Miller 7B1R Low Water Cut-Off/Pump Controller Resistor/Slide Wire Assembly

McDonnell & Miller 7B1R Low Water Cut-Off/Pump Controller Resistor/Slide Wire Assembly is a precision component designed to ensure boiler safety and reliable operation. This resistor/slide wire assembly is used on 93/193/94/194 series low water cut-off/pump controllers to monitor water levels and control pump action with accuracy. Featuring robust terminals and tolerant materials, the assembly is engineered to maintain stable performance across temperature swings and vibrations typical of boiler rooms.

The component plays a critical role in coordinating the low water cut-off and pump controller functions, delivering dependable sensing and control. Its compact design fits standard control circuits, making integration straightforward in existing systems.

• Compatible with 93/193/94/194 series low water cut-off/pump controllers
• Resistor/Slide wire assembly for precise sensing and control
• Durable construction suitable for boiler-room environments
• Simple installation within existing control panels