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Buderus commercial and domestic boilers

[SB 825L 1350kW]

Dimensions

Parameter Value
Length, L 3640mm
Length, LK 2695mm
Width, B 1424mm
Width, BWT1 1094mm
Width, BWT2 625mm
Height, HF 1715mm
Height, HK 1715mm
Height, HWT 670mm
Operating weight 6 bar 4.8t
Operating weight 10 bar 5.0t
Shipping weight 6 bar 3.1t
Shipping weight 10 bar 3.3t
Flue gas connection, HAA 1050mm
heat exchanger, Ø AA 315DN
Combustion chamber, Length 2471mm
Combustion chamber, Ø 660mm
Burner door, Depth 190mm
Burner door, HB 850mm
Base frame, LGR 2350mm
Base frame, BGR 910mm
Base frame, U-Profile 120mm
Boiler flow / return connection 100DN
Heat exchanger flow, HVWT 1213mm
Heat exchanger return, HRWT 887mm
Drain, ELK 32DN
Drain, ELA ¾"DN
Flange VK/RK/VSL, ∆t = 15K 125DN
Flange VK/RK/VSL, ∆t = 20K 100DN
Flange VK/RK/VSL, ∆t = 30K 80DN
Flange VK/RK/VSL, ∆t = 40K 80DN
Distance, A1 1560mm
Distance, A2 500mm
Distance, A3 600mm
Distance, A4 -

Technical Parameters

Parameter Value
Max working pressure 6bar to 10bar
Flue gas temperature at 60 °C 112°C
Flue gas temperature at 30 °C 99°C
Max flow temperature 110°C
Water flow resistance 150mbar
Flow rate crossing the external heat exchanger 58m3/h
Nominal output heat exchanger at 60 °C 42kW
Nominal output heat exchanger at 30 °C 111kW
Max nominal heat output boiler 1350kW
Water content 1.7m3
Flue gas resistance 7.6mbar
Gas content 1.61m3
CE certification, product ID no. CE-0085BO0397
Pressure at flue outlet 0 (50Pa) burner dependent
Efficiency (NCV) 104%
CO2 content, Gas 10.5%

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