Raytherm Hydronic Boiler, 514-824

Raypak's family of Raytherm Hydronic Boilers, 514-824, feature 82% efficiency, floating return headers, and corrosion resistant steel.

Raytherm Hydronic Boiler, 514-824


BASIC DATA

Model Number Full Input in
(BTUH)
Gas
Full Input in
(BTUH)
Propane
 Indoor Flue Dia.
H-514 511,500
481,000
 10"
H-624
627,000
589,000
 12"
H-724 726,000
682,000
 12"
H-824
825,000
775,000
 14"


Available Firing Modes
H1 Mechanical modulation, setpoint 150F-210F
H3 2-Stage
 H4 On-off
 H5 Mechanical modulation, setpoint 110F-170F
 H9 4-Stage


Features:

  • Cast-Iron Headers with Copper Finned Tube Heat Exchanger.  AB 1953 compliant, single bank, straight through design delivers lowest pressure drop. Integral fins have ten times the heat transfer surface of plain tubes.
  • Indoor/Outdoor Certified.
  • Corrosion Resistant Steel
    Fittings are brush galvanized against rust. Heat shields are corrosion-resistant steel. Jacket has Polytuf powder coat finish.
  • 82% Efficiency Cat I Venting.
  • 24-Volt Controls
    Totally enclosed for protection. Door easily removed for inspection and service.
  • Floating Return Header
    Immunizes heat exchanger from thermal shock.
  • Tube Sheet and “O” Ring Construction
    Eliminates repair and maintenance problems associated with rolling tubes directly into a casting.
  • Interlocking Refractory Panels
    Sealed corners, reduces radiation loss.
  • Stainless Steel Burners
    Maintains precise combustion at all firing rates, burns quietly, won’t clog or corrode.
  • Slide-Out Burner Tray
    Allows easy inspection and service.
  • Spark-to-Pilot Ignition
    Most dependable ignition method available.
  • Available for Natural Gas or Propane.




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