• MBC Control Info Diagram

MBC - Multiple Boiler Control AMB4B


The MBC Boiler Control operates up to four boilers to provide outdoor reset operation, domestic hot water and set point operation with priority.

The Argo Multiple Boiler Control (MBC) operates up to four boilers and resets the heating system water temperature based on outdoor air temperatures.  With boilers piped in primary/secondary arrangement, the MBC control automatically selects how many boilers are needed to maintain the required heating load.  Selecting multiple boilers maximizes your energy savings and provides backup heating capabilities.


  • Operation of up to Four Boilers
  • LCD Display
  • Push Buttons for Navigating Settings
  • Warm Weather Shutdown (WWSD)
  • Set Back Scheduling
  • Boiler Stage Delay
  • Boiler RotationCombustion Air or Alarm Control Relay
  • Flow or Combustion Air Proof Delay
  • Energy Management System Compatible (0-10 or 2-10 Vdc)
  • Sensors Included:
    (1) Outdoor Sensor
    (2) Water Temperature Sensors

Documents / Resources

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Archived Documents


Installation & Operation Manual


Technical Bulletin

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