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Buderus Products Floor standing condensing boilers from 50kW to 19,200kW GB312

GB312

The GB312 is available in the following kW outputs:
  • 90kW
  • 120kW
  • 160kW
  • 200kW
  • 240kW
  • 280kW

Technical data sheet

kW output  File type   
90kW PDF Download
120kW PDF Download
160kW PDF Download
200kW PDF Download
240kW PDF Download
280kW PDF Download

Features and benefits

  • High efficiencies of up to 108% (NCV)
  • Seasonal efficiency (L2B) 90kW 96.3%, 120kW 96.2%, 160kW 96.4%, 200kW 96.2%, 240kW 96.1%, 280kW 95.8%
  • Quick and simple to install
  • Individual boiler outputs from 90 - 280kW
  • Cascade of two boilers up to 560kW
  • Excellent price/performance ratio
  • Modulating pre-mix gas burner for extremely quiet operation
  • Lightweight, high performance aluminium heat exchanger for maximum heat transfer
  • Insulated boiler block for high energy utilisation
  • Intelligent controls with built-in Energy Management System (EMS)
  • Supplied with the BC10 boiler control with digital service diagnostic and status display with space for the optional RC30 Digital Programmer and modules to be installed within the boiler
  • Burner management technology
  • Lightweight and compact to fit into existing boiler rooms
  • Suitable for room sealed installations
  • Simple to service and maintain

Servicing and maintenance


The GB312 is designed to make servicing and maintenance as straightforward as possible.

All parts can be accessed from the front and the burners can be accessed without having to disturb the gas connection.

The boiler is equipped with SAFe digital ignition technology and a Buderus Energy Management System (EMS).

Delivery

  • Assembled

Performance and design


The GB312 is a high performance, compact condensing boiler which provides an efficiency of up to 108% (NVC).

It can be fitted individually or as part of a 2 boiler cascade kit and is especially well suited to medium-large buildings and office blocks.

For a powerful floor standing condensing boiler it is very compact, lightweight and easy to install.

The boiler is whisper quiet, even when running at full output.

Manual downloads

Manual  File type   
Installation and maintenance manual PDF Download
Operating manual PDF Download
Pipe group installation manual PDF Download
Buderus
CAD drawing downloads
Floor standing boiler CAD drawings
Hydraulic schematic downloads
GB boiler schematics
Wiring schematic diagrams
4121 Control schematics
4122 Control schematics
EM10 Control schematics
MCM10 Control schematics
RC35 Control schematics
4323 Control schematics
Link to controls
Buderus controls
Enhanced Capital Allowance Scheme (ECA)
Enhanced Capital Allowance Scheme (ECA)