|Model Number ||Full Input in |
| Indoor Flue Dia. |
|H-514 ||511,500* |
| 10" |
| 12" |
|H-724 ||726,000* |
| 12" |
| 14" |
*Propane input is 94% of stated valueAvailable 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 |
- 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.