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156 Total Reviews /files/jeff-wright-logo_1.png804-506-9767$1716 Devers RD., Richmond VA

Jeff Wright Heating and Air Conditioning Services

Bosch Logano Plus GB312 Gas Condensing Boiler

The gas fired condensing GB312 boiler offers innovative technology in a compact, robust form with simple, space-saving, advanced condensing technology. Features like exemplary energy efficiency, ease of handling, optional balanced flue operation and clean combustion make the GB312 your definitive solution.

  • High Efficiency—93.1% Thermal Efficiency
  • Modulating Natural Gas Pre-mix Burner for Extremely Quiet Operation
  • Lightweight, High Performance Aluminium Heat Exchanger for Maximum Heat Transfer
  • Quick and Easy Installation
  • 305 to 944 MBH Output: 6 Models Available
  • Whisper Quiet - Fully Enclosed Housing
  • A full 3 inches of Thermal Insulation
  • Direct Vent and Sealed Combustion Options
  • Electronic Ignition
MODELInput MBtuHOutput MBtuHAFUEDimensions
HxWxD
Water Content
Gal.
Weight
Lbs.
GB312-90328.3 305.0 93.1 59.75 x 39.2 4.20 455
GB312-120440.5 409.0 92.8 59.75 x 39.2 4.20 455
GB312-160588.3 544.0 92.5 59.75 x 47.4 5.30 530
GB312-200732.6 676.0 92.3 59.75 x 47.4 6.30 585
GB312-240880.7 810.0 92.0 59.75 x 55.5 7.10 665
GB312-2801028.8 944.0 91.7 59.75 x 55.5 7.90 730

Warranty Information

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

Available Documents