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