Raytherm® Outdoor Water Heaters, 926-1758

BASIC DATA
Model Number Full Input in
(BTUH)
WH-926 926,000*
WH-1083
1,083,000*
WH-1178 1,178,000*
WH-1287
1,287,000*
WH-1414
1,414,000*
WH-1571
1,571,000*
WH-1758
1,758,000*
*Propane input is 95.5% 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 are available as options.
  • Outdoor Only
    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 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.
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Specifications

Warranties

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Documents