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G615 Series Oil Boiler

Buderus has been working with cast iron since 1731. In fact, Buderus produced the world’s first low-temperature hydronic heating systems. Today, Buderus products are acknowledged as the world standard in high-efficiency, low emissions hydronic heating. All Buderus products are designed to meet strict safety and environmental regulations. Buderus boilers are quickly and easily installed, will outlast and outperform virtually any other commercial hot water heating system, and are designed for easy access and service for maintaining the highest possible efficiencies throughout the lifespan of operation.

  • High Efficiency - Combustion Efficiencies Up To 87%
  • Thermostream Design Eliminates Thermal Shock
  • Flexible, Corrosion Resistant GL-180M Cast Iron
  • Boiler fully serviced and cleaned from the front
  • High combustion and thermal efficiencies
  • No minimum water temperature
  • Suitable for operation with oil or gas
MODELOutput MBtuHIBR MBtuHFiring Rate GPHAFUEWater Content Gal.HxWxDWeight. Lbs.BOILER H/PVENT CONNECTIONSUPPLY / RETURN CONNECTION
G615-122822.0 2454.0 0.00 86.5 192.00 62.75 x 50.5 x 92 7110 84.3146 / 6
G615-163982.0 3463.0 0.00 76.5 256.00 62.75 x 50.5 x 117.75 9125 118.9146 / 6
G615-91951.0 1697.0 0.00 86.7 144.00 62.75 x 50.5 x 71 5510 58.3146 / 6
G615-102242.0 1950.0 0.00 86.6 160.00 62.75 x 50.5 x 77.75 6045 66.9146 / 6
G615-112532.0 2202.0 0.00 86.6 176.00 62.75 x 50.5 x 84.5 6580 75.6146 / 6
G615-133112.0 2706.0 0.00 86.5 208.00 62.75 x 50.5 x 97.75 7645 92.9146 / 6
G615-143402.0 2958.0 0.00 86.5 224.00 62.75 x 50.5 x 104.5 8160 101.6146 / 6
G615-153692.0 3210.0 0.00 86.5 240.00 62.75 x 50.5 x 111.25 8799 110.3146 / 6

Warranty Information

  • Heat Exchanger - Limited Lifetime Warranty on Cast Iron Heat Exchanger in Residential Settings
  • All Parts for 12 months -

Available Documents

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