Raytherm® Hydronic Boilers, 2100-4001
Raypak's family of Raytherm Hydronic Boilers, 2100-4001, feature corrosion-resistant steel, cast-iron headers with copper finned tube heat exchangers, and stainless steel burners.
BASIC DATA
| Model Number | Full Input in BTUH | Flue Dia. | Efficiency |
| H-2100 | 2,100,000 | 24" | 81% Thermal |
| H-2500 | 2,499,000 | 26" | |
| H-3001 | 3,000,000 | 28" | 82% Combustion |
| H-3500 | 3,500,000 | 30" | |
| H-4001 | 4,000,000 | 32" |
*Propane input is 92% of stated value
Available Firing Modes
| H2 | Motorized modulation | |
| H3 | 2-Stage | |
| H4 | On-off | |
| H9 | 4-Stage | |
Features:
- Indoor Only.
- Cat I venting.
- Cast-Iron Headers with Copper Finned Tube Heat Exchanger
Brass headers and cupro-nickel tubes 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. - Corrosion-Resistant Steel
Fittings are brush-galvanized against rust. Heat shields are corrosion-resistant steel. Jacket has Polytuf powder coat finish. - 24-Volt Controls
Are totally enclosed for protection. Door is easily removed for inspection and service. - Floating Return Header
Immunizes heat exchanger from thermal shock. - Tube Sheet and “O” Ring Construction
Eliminates the repair and maintenance problems associated with rolling tubes directly into a casting. - Interlocking Refractory Panels
Sealed corners reduce radiation loss. - Stainless Steel Burners
Maintain precise combustion at all firing rates, burns quietly and won’t clog or corrode. - Slide-Out Burner Tray
Allows easy inspection and service. - Spark-to-Pilot Ignition
The most dependable ignition method available. - Available for Natural Gas or Propane.