Raytherm® Water Heaters, 962-1826
Raypak's family of Raytherm Water Heaters, 962-1826, offer 82% Efficiency, Cat I venting, floating return headers, and stainless steel burners.
BASIC DATA
Available Firing Modes
Features:
| Model Number | Full Input in | Full Input in (BTUH) Propane | Flue Dia. |
| WH-962 | 961,700 | 885,000 | 14" |
| WH-1125 | 1,124,700 | 1,035,000 | 16" |
| WH-1223 | 1,222,500 | 1,125,000 | 16" |
| WH-1336 | 1,336,500 | 1,330,000 | 18" |
| WH-1468 | 1,467,000 | 1,350,000 | 18" |
| WH-1631 | 1,630,000 | 1,500,000 | 18" |
| WH-1826 | 1,825,600 | 1,680,000 | 20" |
Available Firing Modes
| WH1 | On-off | |
| WH2 | Mechanical modulation, setpoint 110F-170F | |
| WH3 | 2-Stage | |
| WH9 | 4-Stage | |
Features:
- Rugged All-Bronze Headers
Resists corrosion, easily removed for inspection or service. AB 1953 compliant. - Brass Headers With Finned Copper Tube Heat Exchanger
Single bank, straight through design delivers lowest pressure drop. Integral fins have ten times the heat transfer surface of plain tubes. - Glass-lined, cast-iron headers and cupro-nickel tubes available as options.
- 82% Efficiency. Cat I Venting.
- Corrosion Resistant Steel
Fittings are brush galvanized against rust. Heat shields are corrosion-resistant steel. Jacket has Polytuf powder coat finish. - 24-Volt Controls
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 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.