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Buderus commercial and domestic boilers

[SB 825L LN 3000kW]

Dimensions

Parameter Value
Length, L 5260mm
Length, LK 4250mm
Width, B 1824mm
Width, BWT1 1344mm
Width, BWT2 725mm
Height, HF 2115mm
Height, HK 2115mm
Height, HWT 820mm
Operating weight 6 bar 11.3t
Operating weight 10 bar 12t
Shipping weight 6 bar 7.2t
Shipping weight 10 bar 7.9t
Flue gas connection, HAA 1260mm
Flue gas heat exchanger, Ø AA 400DN
Combustion chamber, Length 3987mm
Combustion chamber, Ø 932mm
Burner door, Depth 257mm
Burner door, HB 1050mm
Base frame, LGR 3920mm
Base frame, BGR 1260mm
Base frame, U-Profile 220mm
Boiler flow / return connection 150DN
Heat exchanger flow, HVWT 1471mm
Heat exchanger return, HRWT 1049mm
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 2870mm
Distance, A2 600mm
Distance, A3 650mm
Distance, A4 -

Technical Parameters

Parameter Value
Max working pressure 6bar to 10bar
Flue gas temperature at 60 °C 120°C
Flue gas temperature at 30 °C 106°C
Max flow temperature 110°C
Water flow resistance 183mbar
Flow rate crossing the external heat exchanger 130mN3/h
Nominal output heat exchanger at 60 °C 96.1kW
Nominal output heat exchanger at 30 °C 254.6kW
Max nominal heat output boiler 3000kW
Water content 4.1m3
Flue gas resistance 9.2mbar
Gas content 5.01m3
CE certification, product ID no. CE-0085BO0397
Pressure at flue outlet 0 (50Pa) burner dependent
CO2 content, Gas 10.5%

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