[Skip to main content]
Buderus logo

Buderus commercial and domestic boilers

[SB 825L 1900kW]

Dimensions

Parameter Value
Length, L 3910mm
Length, LK 2960mm
Width, B 1524mm
Width, BWT1 1154mm
Width, BWT2 655mm
Height, HF 1815mm
Height, HK 1815mm
Height, HWT 695mm
Operating weight 6 bar 5.7t
Operating weight 10 bar 5.9t
Shipping weight 6 bar 3.7t
Shipping weight 10 bar 3.9t
Flue gas connection, HAA 1150mm
heat exchanger, Ø AA 315DN
Combustion chamber, Length 2698mm
Combustion chamber, Ø 730mm
Burner door, Depth 190mm
Burner door, HB 900mm
Base frame, LGR 2560mm
Base frame, BGR 930mm
Base frame, U-Profile 160mm
Boiler flow / return connection 125DN
Heat exchanger flow, HVWT 1313mm
Heat exchanger return, HRWT 987mm
Drain, ELK 32DN
Drain, ELA ¾"DN
Flange VK/RK/VSL, ∆t = 15K 150DN
Flange VK/RK/VSL, ∆t = 20K 125DN
Flange VK/RK/VSL, ∆t = 30K 100DN
Flange VK/RK/VSL, ∆t = 40K 100DN
Distance, A1 1710mm
Distance, A2 550mm
Distance, A3 600mm
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 107°C
Max flow temperature 110°C
Water flow resistance 200mbar
Flow rate crossing the external heat exchanger 81.7m3/h
Nominal output heat exchanger at 60 °C 61kW
Nominal output heat exchanger at 30 °C 156kW
Max nominal heat output boiler 1900kW
Water content 2m3
Flue gas resistance 10.2mbar
Gas content 2.21m3
CE certification, product ID no. CE-0085BO0397
Pressure at flue outlet 0 (50Pa) burner dependent
Efficiency (NCV) 104%
CO2 content, Gas 10.5%

Return to SB 825L

 
Intelligent Heating SolutionsBosch Thermotechnology Ltd.