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Buderus commercial and domestic boilers

[SB 825L 1000kW]

Dimensions

Parameter Value
Length, L 3370mm
Length, LK 2425mm
Width, B 1324mm
Width, BWT1 1004mm
Width, BWT2 580mm
Height, HF 1615mm
Height, HK 1615mm
Height, HWT 595mm
Operating weight 6 bar 3.8t
Operating weight 10 bar 3.9t
Shipping weight 6 bar 2.5t
Shipping weight 10 bar 2.6t
Flue gas connection, HAA 1060mm
heat exchanger, Ø AA 250DN
Combustion chamber, Length 2201mm
Combustion chamber, Ø 600mm
Burner door, Depth 190mm
Burner door, HB 800mm
Base frame, LGR 2100mm
Base frame, BGR 910mm
Base frame, U-Profile 120mm
Boiler flow / return connection 100DN
Heat exchanger flow, HVWT 1186mm
Heat exchanger return, HRWT 935mm
Drain, ELK 25DN
Drain, ELA ¾"DN
Flange VK/RK/VSL, ∆t = 15K 100DN
Flange VK/RK/VSL, ∆t = 20K 100DN
Flange VK/RK/VSL, ∆t = 30K 80DN
Flange VK/RK/VSL, ∆t = 40K 65DN
Distance, A1 1390mm
Distance, A2 450mm
Distance, A3 600mm
Distance, A4 -

Technical Parameters

Parameter Value
Max working pressure 6bar to 10bar
Flue gas temperature at 60 °C 121°C
Flue gas temperature at 30 °C 106°C
Max flow temperature 110°C
Water flow resistance 250mbar
Flow rate crossing the external heat exchanger 43m3/h
Nominal output heat exchanger at 60 °C 36kW
Nominal output heat exchanger at 30 °C 90kW
Max nominal heat output boiler 1000kW
Water content 1.3m3
Flue gas resistance 6.9mbar
Gas content 1.24m3
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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