Raypak MVB® Modulating Vertical Hydronic Boilers 84%

  • Sizes: 500,000 to 1,999,000 BTUH
  • 84% Efficiency Cat I venting
  • Cast-iron headers with copper finned tube heat exchanger standard. Brass headers and cupro-nickel tubes available as options
  • Modulating gas valve and burner, up to 7:1 turndown
  • Smallest installed footprint (5.4 square feet) design fits tight spaces and easily replaces larger boilers
  • All models indoor/outdoor certified
  • Meets all Low NOx regulations
  • Available for natural gas or propane
  • On-board diagnostic center, English, no codes
  • 0-10 VDC BMS Interface (setpoint or direct drive)
  • Built-in cascade function for up to 4 boilers
  • Modbus® RTU port (RS485)

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