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Buderus Products Floor standing condensing boilers SB615

SB615

The SB615 is available in the following kW outputs:
  • 145kW
  • 185kW
  • 240kW
  • 310kW
  • 400kW
  • 510kW
  • 640kW

Features and benefits

  • Efficiencies of up to 109% (NCV)
  • Stainless steel combustion and heat exchanging surfaces
  • Cascades up to 3 boilers with 4000 controls and with no limits using a building management systems (BMS)
  • Two return flow connections for separation of high and low temperature heating circuits
  • Low hydraulic resistance
  • For use with gas pressure jet burners
  • 3 pass construction
  • Combustion chamber optimised for lower emissions
  • Kondens+ heating surfaces

High performance


The SB range of high performance stainless steel condensing boilers deliver maximum efficiency levels, very low emissions and real cost savings.

Boilers in the range require minimal floor space and benefit from the very latest in heating technology.

Kondens+ heat exchanger


Patented Kondens+ heat exchanger surfaces create optimum conditions for condensing to occur, and there are two return connections for separation of high and low temperature heating circuits.

This improves the efficiency of the overall heating system and allows further energy savings to be made.

Insulation


To ease transportation of the boiler the main block is delivered with the insulation and casing packed separately.

The total insulation of the boiler block increases efficiency by keeping heat losses to a minimum.

Technical data sheet download

kW output  File type   
145kW PDF Download
185kW PDF Download
240kW PDF Download
310kW PDF Download
400kW PDF Download
510kW PDF Download
640kW PDF Download

Manuals download

Manual  File type   
Installation manual PDF Download
Operating instructions PDF Download
Buderus
CAD drawings download
Floor standing boiler CAD drawings
Hydraulic schematics download
SB boiler schematics
Wiring schematic diagrams
4211 Control schematics
4321 Control schematics
4212 Control schematics
Link to controls
Buderus controls
Enhanced Capital Allowance Scheme (ECA)
Enhanced Capital Allowance Scheme (ECA)