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Buderus commercial and domestic boilers

[SB 825L 3050kW]

Dimensions

Parameter Value
Length, L 4415mm
Length, LK 3465mm
Width, B 1674mm
Width, BWT1 1344mm
Width, BWT2 725mm
Height, HF 1965mm
Height, HK 1965mm
Height, HWT 820mm
Operating weight 6 bar 8.0t
Operating weight 10 bar 8.4t
Shipping weight 6 bar 5.3t
Shipping weight 10 bar 5.7t
Flue gas connection, HAA 1215mm
heat exchanger, Ø AA 400DN
Combustion chamber, Length 3197mm
Combustion chamber, Ø 846mm
Burner door, Depth 190mm
Burner door, HB 975mm
Base frame, LGR 3060mm
Base frame, BGR 1130mm
Base frame, U-Profile 160mm
Boiler flow / return connection 150DN
Heat exchanger flow, HVWT 1426mm
Heat exchanger return, HRWT 1004mm
Drain, ELK 32DN
Drain, ELA ¾"DN
Flange VK/RK/VSL, ∆t = 15K 200DN
Flange VK/RK/VSL, ∆t = 20K 150DN
Flange VK/RK/VSL, ∆t = 30K 125DN
Flange VK/RK/VSL, ∆t = 40K 125DN
Distance, A1 2150mm
Distance, A2 600mm
Distance, A3 650mm
Distance, A4 -

Technical Parameters

Parameter Value
Max working pressure 6bar to 10bar
Flue gas temperature at 60 °C 125°C
Flue gas temperature at 30 °C 111°C
Max flow temperature 110°C
Water flow resistance 250mbar
Flow rate crossing the external heat exchanger 132m3/h
Nominal output heat exchanger at 60 °C 101kW
Nominal output heat exchanger at 30 °C 254kW
Max nominal heat output boiler 3050kW
Water content 2.7m3
Flue gas resistance 11.6mbar
Gas content 3.36m3
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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