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) |
Indoor Flue Dia. |
| H-514 | 511,500* |
10" |
| H-624 |
627,000* |
12" |
| H-724 | 726,000* |
12" |
| H-824 |
825,000* |
14" |
*Propane input is 94% of stated value
Available Firing Modes
| H1 | Mechanical modulation, setpoint 150F-210F |
|
| H2 | Motorized modulation |
|
| 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
Brass Headers and cupro-nickel tube available as options. 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.