Raytherm® Water Heaters, 962-1826

BASIC DATA
Model Number Full Input in
(BTUH)
 Flue Dia.
WH-962 961,700*
 14"
WH-1125
1,124,700*
 16"
WH-1223 1,222,500*
 16"
WH-1336
1,336,500*
 18"
WH-1468
1,467,000*
 18"
WH-1631
1,630,000*
 18"
WH-1826
1,825,600*
 20"
*Propane input is 92% of stated value.

Available Firing Modes
WH1 On-off
WH2 Mechanical modulation, setpoint 110F-170F
WH3
2-Stage
WH9
4-Stage

Features:
  • Rugged All-Brass 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.

Specifications

Warranties

Documents