Interrupts power immediately in a low water condition
• Provides contacts for optional low-water alarm, heavy-duty construction
• Automatically restarts burner on return of normal water level
• NEMA 1 enclosure
  
  

  170

• 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

B103-5

Quick hook-up fittings provided
• Lever-operated, full port ball valve for easy blow down
• Adjustable Bx outlet for easy installation
• Dual precision switches for dependable operation of cut-off, alarm or electric water feeder
  
  

  B103-1

McDonnell & Miller B120

McDonnell & Miller B115

125 VA pilot duty rating
• Quick change replaceable cartridge valve and strainer
• Proportional feed action
• Includes #2 switch <
  
  

  McDonnell & Miller B111-1

McDonnell & Miller B122

Field-adjustable dwell-feed cycles
• Multi color LED status indicator
• Manual feed button
• Hard-stop limit to minimize chances of flooding the boiler
• Compatible with all electronic and mechanical low water cut-off
• Includes adapters for connection to 1/2" copper tubing
• Removable strainer
  
  

  McDonnell & Miller B112-6

Field-adjustable dwell-feed cycles
• Multi color LED status indicator
• Manual feed button
• Hard-stop limit to minimize chances of flooding the boiler
• Compatible with all electronic and mechanical low water cut-off
• Includes adapters for connection to 1/2" copper tubing
• Removable strainer
  
  

  McDonnell & Miller B112-7

No more trips to the basement to add water to the boiler
• Works with all probe and float type low water cut-offs
• Brightly illuminated feed counter displays the amount of water added to the boiler
• Built-in memory prevents power interruptions from clearing the counter
• Helps prevent flooded boilers, allows time for condensate to return to the boiler before starting a feed cycle
• Six settings provide two ways to feed
• 1 - 5 Gallon settings now feed above the probe to restore the boiler's normal operating level or select LWCO setting to end the feed cycle
• Allows for additional make-up water at the touch of a button, manual feed amounts are recorded and added to the totalGallons displayed by the feed counter
• If one feed cycle is not sufficient to restore boiler operation, the VxT will delay and feed one additional cycle
• Digital feed counter
• 30 sec to 10 min programmable feed delay settings
• LWCO and 1 - 5 Gallon programmable feed amount settings
• Manual feed button
• Underfeed protection
• Lock-out flood protection
• 1 GPM flow rate
• 10 VA power consumption
  
  

  B112-4

Universal compatibility
• Digital feed counter
• Programmable feed delay settings (30 sec - 10 min)
• Programmable feed amount settings (LWCO and 1-5 Gallon)
• Manual feed button
• Underfeed protection
• Lock-out flood protection
  
  

  Hydrolevel B112-5

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