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Buderus commercial and domestic boilers

[S 825L LN 4250kW]

Dimensions

Parameter	Value
Length, L	5090mm
Length, L_K	4770mm
Width, B	2124mm
Height, H_F	2415mm
Height, H_K	2415mm
Operating weight 6 bar	16t
Operating weight 10 bar	17.5t
Shipping weight 6 bar	9.3t
Shipping weight 10 bar	10.8t
Flue gas connection, Ø AA	505mm
Flue gas connection, H_AA	1750mm
Combustion chamber, Length	4485mm
Combustion chamber, Ø	1092mm
Burner door, Depth	257mm
Burner door, H_B	1200mm
Base frame, L_GR	4280mm
Base frame, B_GR	1510mm
Base frame, U-Profile	220mm
Drain, ELK	50DN
Drain, ELA	¾"DN
Flange VK/RK/VSL, ∆t = 15K	200DN
Flange VK/RK/VSL, ∆t = 20K	200DN
Flange VK/RK/VSL, ∆t = 30K	150DN
Flange VK/RK/VSL, ∆t = 40K	125DN
Distance, A₁	3130mm
Distance, A₂	800mm
Distance, A₃	1000mm
Distance, A₄	-

Technical Parameters

Parameter	Value
Max working pressure	6bar to 10bar
Max flow temperature	110°C
Water content	6.7m³
Pressure at flue outlet	0Pa
Gas content	7.13m³
CE certification, product ID no.	CE-0085BO0396
Nominal heat output	4250kW
CO₂ content, Gas	10.5%
CO₂content, Oil	13.5%

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