Series 123/125 Boiler Water Level Control

The Series 123/125 by McDonnell & Miller is a heavy-duty float control made to regulate water levels in steam boilers for both industrial and commercial use. Built for reliability and long service life, this unit offers dependable water level monitoring and control to protect boilers from low-water conditions. The unit features quick hook-up fittings and a compact design, allowing easy installation and maintenance. Models are available with or without built-in pump control switches and low water cut-off functionality, providing flexible solutions for a variety of boiler systems.

Product Applications

• Boiler Low Water Cut-Off
• Boiler Feed-Water Control
• Condensate Tanks
• Deaerators

Key features include:

• Float-operated mechanism for precise water level detection
  

• Snap switch for pump control and/or low water cut-off (depending on model)
  

• Compatible with pressure ratings up to 250 psi (17.2 bar)
  

• Rugged cast iron or bronze body construction for durability
  

• Optional manual reset feature for added safety compliance
  
  

Product Applications

The Series 123/125 is ideally suited for:

• Steam boiler water level control in commercial buildings
  

• Industrial boiler systems requiring low-water cut-off protection
  

• HVAC systems needing pump control integration
  

• Applications where ASME compliance and safety are essential
  

• Retrofitting or upgrading existing boiler control systems

Order now to enhance the safety and efficiency of your boiler system with a trusted water level control solution.