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
| MODEL | Input MBtuH | Output MBtuH | AFUE | Dimensions HxWxD | Water Content Gal. | Weight Lbs. |
|---|---|---|---|---|---|---|
| GB312-90 | 328.3 | 305.0 | 93.1 | 59.75 x 39.2 | 4.20 | 455 |
| GB312-120 | 440.5 | 409.0 | 92.8 | 59.75 x 39.2 | 4.20 | 455 |
| GB312-160 | 588.3 | 544.0 | 92.5 | 59.75 x 47.4 | 5.30 | 530 |
| GB312-200 | 732.6 | 676.0 | 92.3 | 59.75 x 47.4 | 6.30 | 585 |
| GB312-240 | 880.7 | 810.0 | 92.0 | 59.75 x 55.5 | 7.10 | 665 |
| GB312-280 | 1028.8 | 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
- View Document (Black & White, Boilers - Commercial, Dimensions)
- View Document (Black & White, Boilers - Commercial, Dimensions)
- View Document (Black & White, Boilers - Commercial, Dimensions)
- View Document (Black & White, Boilers - Commercial, Dimensions)
- View Document (Black & White, Boilers - Commercial, Dimensions)
- View Document (Black & White, Boilers - Commercial, Dimensions)
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