Monel bellows provides corrosion resistance
• Cut-off and alarm actuation
• With pump controller
  
  

  McDonnell & Miller B109

Heavy-duty
• Use with TC-4 on hot water systems
• For commercial, industrial and residential applications
• 10.2 amp full load and 61.2 amp locked rotor at 120 VAC
• No 2 switch
• With manual reset
  
  

  McDonnell & Miller B109-6

Universal design serves the widest variety of applications
• Replacement for common flow switches from johnson/penn, potter/taco, watts, hydrolevel and other manufacturers
• Two electrical knock-outs allows connection from either end
• Sensitivity adjusting screw makes flow adjustment easy
• Hardened stainless steel bearings minimize friction
• Sealed monel bellows
• Materials of construction suitable for corrosive liquids
• Includes: (4) 1, 2, 3 and 6" stainless steel paddles
  
  

  McDonnell & Miller B113-10

Eliminates necessity to manually add water to the boiler
• Can be used with mechanical or electronic low water cut-off controls
• Quick-change replaceable cartridge valve and strainer
• Manual feed butTon
• 40 VA transformer
  
  

  McDonnell & Miller B112-8

Xylem B109-5

• No lock out with loss of power if probe is in water
• Test butTon
• Green LED indicates power on
• Red LED indicates low water
• 20000 ohm probe sensitivity
• With standard probe

McDonnell & Miller B103-5

Model SA47-101-102

McDonnell & Miller B123-1

McDonnell & Miller B122

Lockout delay
• Power interruption
• Self cleaning probe
• No lock out with loss of power if probe is in water
• Green LED indicates power on
• Red LED indicating low water condition
• 7000 ohm probe sensitivity
  
  

  McDonnell & Miller B103-17