[Skip to main content]
Buderus logo

Buderus commercial and domestic boilers

[SB 825L LN 2500kW]

Dimensions

Parameter Value
Length, L 4765mm
Length, LK 3820mm
Width, B 1724mm
Width, BWT1 1254mm
Width, BWT2 705mm
Height, HF 2015mm
Height, HK 2015mm
Height, HWT 770mm
Operating weight 6 bar 8.9t
Operating weight 10 bar 9.6t
Shipping weight 6 bar 5.6t
Shipping weight 10 bar 6.3t
Flue gas connection, HAA 1240mm
heat exchanger:, Ø AA 400DN
Combustion chamber, Length 3553mm
Combustion chamber, Ø 901mm
Burner door, Depth 190mm
Burner door, HB 1000mm
Base frame, LGR 3410mm
Base frame, BGR 1150mm
Base frame, U-Profile 200mm
Boiler flow / return connection 125DN
Heat exchanger flow, HVWT 1441mm
Heat exchanger return, HRWT 1040mm
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 100DN
Distance, A1 2490mm
Distance, A2 600mm
Distance, A3 800mm
Distance, A4 -

Technical Parameters

Parameter Value
Max working pressure 6bar to 10bar
Flue gas temperature at 60 °C 116°C
Flue gas temperature at 30 °C 101°C
Max flow temperature 110°C
Water flow resistance 191mbar
Flow rate crossing the external heat exchanger 108mN3/h
Nominal output heat exchanger at 60 °C 75kW
Nominal output heat exchanger at 30 °C 207kW
Max nominal heat output boiler 2500kW
Water content 3.2m3
Flue gas resistance 10.1mbar
Gas content 4.08m3
CE certification, product ID no. CE-0085BO0397
Pressure at flue outlet 0 (50Pa) burner dependent
CO2 content, Gas 10.5%

Return to SB 825L LN

 
Intelligent Heating SolutionsBosch Thermotechnology Ltd.