XFyre Condensing Water Heaters, 300A-850A

This Xfyre model has been discontinued. To learn about our new XFIIRE please click here.
Raypak's family of XFyre Condensing Water Heaters, 300A-850A, feature 95% efficiency, whisper quiet operation, and tough rust-resistant powder coat finish.

XFyre Condensing Water Heaters, 300A-850A


Full Input in BTUH
Flue Dia.
WH7-300A  300,000 4"
WH7-400A  399,000  4"
WH7-500A  500,000  4"
WH7-700A  700,000  6"
WH7-850A  850,000  6"

  • 95% efficiency.  Condensing, Cat IV venting required.
  • All models Indoor/Outdoor construction.
  • Small footprint, less than 9-1/2 square feet.
  • Top side water connections - allows side by side installation.
  • All models are equipped with 316L welded stainless steel heat exchanger and copper plumbing. ASME Section IV constructed and stamped. National Board Registered.
  • CSA low lead certified less than 0.25% lead.
  • Multiple pump outputs - Heater Pump, System Pump.
  • Electronic modulating gas valve and burner, up to 5:1 turn down.
  • Certified under SCAQMD Rule 1146.2.  Meets all Low NOx regulations.
  • Whisper quiet operation.
  • Support inlet water temperature down to 50F.
  • 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.
  • VERSA IC® control package.
  • Complete cabinet protects all controls and wiring.
  • Tough rust-resistant powder coat finish.
  • Easy to service - removable air filter.
  • Certified for PVC, CPVC, Polypropylene or stainless vent materials.
  • Suitable for altitudes up to 10,000 ft. (derate may apply).
  • Available for natural gas or propane.
  • Modbus® BMS port (RS485).
  • TruSeal® direct vent kit (D-21 factory installed, D-22 Loose).
  • Condensate neutralizer (Z-12).
  • BACNet IP, BACnet MS/TP, Modbus TCP, N2 Metasys (B-85)
  • Lonworks (B-86)

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