Raypak® H3-400 1037552

Raypak® Hydronic Boiler, 399 MBtu/hr, Natural Gas Fuel, 6 in Flue Diameter, Spark to Pilot Ignition

• Rugged all-brass headers resist corrosion and are easily removed for inspection or service
• 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
• Fittings are brush galvanized against rust, heat shields are corrosion-resistant steel, jacket has polytuf powder-coat finish
• 24 V controls are totally enclosed for protection
• Floating return header immunizes heat exchanger from thermal shock
• Tube sheet and O-ring construction eliminates the repair and maintenance problems associated with rolling tubes directly into a casting
• Interlocking refractory panels with sealed corners, reduces radiation loss
• Stainless steel burners maintain precise combustion at all firing rates, burns quietly and won't clog or corrode
• Slide-out burner tray allows easy inspection and service
• 2-stage firing models

• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/Raypak_H3_400_Manual.pdf