[Skip to main content]
Buderus logo

Buderus commercial and domestic boilers

[SB 315 90kW]

Dimensions

Parameter Value
Length (without burner) 1157mm
Width 820mm
Width for access 680mm
Height max with controls 1503mm
Height 1254mm
Weight 314kg
Flue gas connection, Ø DAA (internal) 183DN
Flue gas connection, HAA 317mm
Combustion chamber, Length 890mm
Combustion chamber, Ø 360mm
Burner door, Depth 70mm
Burner door, Ø DB 130mm
Burner door, Ø DLK 170/M8mm
Boiler return, HRK1 106mm
Condensate drain, HAKG 163mm

Technical Parameters

Parameter Value
Output 90kW
Nominal heat output at 75/60 °C, Full load 81.8kW
Nominal heat output at 75/60 °C, Part load 35.8kW
Nominal heat output at 40/30 °C, Full load 90kW
Nominal heat output at 40/30 °C, Part load 36.6kW
Max working pressure 4bar
Max flow temperature 120°C
Rated heat input 33.6kW - 83.9kW
Water content 250l
Pressure at flue outlet 50Pa
Flue gas resistance 0.59mbar
Gas content 138l
CE certification, product ID no. CE-0085 AT 0074
Type approval no. 06-223-706
Efficiency (NCV) 109%
Flue gas temperature, at 40/30 °C Full Load 43°C
Flue gas temperature, at 40/30 °C Part load 28°C
Flue gas temperature, at 75/60 °C Full load 70°C
Flue gas temperature, at 75/60 °C Part load 39°C
Flue gas mass flow rate, at 40/30 °C Full load 0.0344kg/s
Flue gas mass flow rate, at 40/30 °C Part load 0.0133kg/s
Flue gas mass flow rate, at 75/60 °C Full load 0.0357kg/s
Flue gas mass flow rate, at 75/60 °C Part load 0.0143kg/s
CO2 content 10%

Return to SB 315

 
Intelligent Heating SolutionsBosch Thermotechnology Ltd.