Raypak Raytherm WH3-1826 Hot Water Boiler 1,825,000 BTU

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. Price was changed, accidentally kept the price the same as the ring I listed. My mistake.