Standing boiler with integrated burner Vaillant
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General information
Ordercode YESSS
7551-8341 
Product code
0010010676
EAN code
4024074610695
Product group
Standing boiler with integrated burner
Brand
Vaillant
Product specifications
Material heat exchanger
Stainless steel
Closed version
Yes
Operation as open model (air supply) possible
No
Boiler system
Boiler tube
Nominal power, 80-60 °C
23.5 kW
Nominal power, 50-30 °C
25.2 kW
Heating capacity adjustable
No
Electronic ignition
Yes
Medium
Water
Burner controller high/low
No
Burner controller, modulating
Yes
Max. supply temperature (operating temperature)
85 °C
Water-side resistance at dT 20 °C
1 kPa
Built-in filling/drain tap
Yes
Built-in pump circuit
Yes
Built-in draught limiting device
No
With built-in circulation pump
No
Built-in pressure gauge
No
Built-in weather-dependent controller
No
Built-in expansion vessel
No
Built-in pressure relief valve
No
Height
1272 mm
Width
570 mm
Depth
700 mm
Connection supply
Internal thread
Outer pipe diameter supply
59.614 mm
Connection return
Internal thread
Outer pipe diameter return
59.614 mm
Connection, fuel
External thread
Outer pipe diameter fuel
20995 mm
Connection, air supply
Insert end
Nominal duct width, air supply
125 mm
Connection, flue
Insert end
Nominal duct diameter, flue
80 mm
Condensate connection
Other
Outer pipe diameter condensate
21 mm
Useful heat emission at nom. heat emission, operation at high temperature (P4)
23.5 kW
Useful efficiency at nominal heat emission, operation at high temperature (n4)
91.2 %
Supplementary electricity consumption at full load (ELmax)
0.17 kW
Supplementary electricity consumption in standby-mode (Psb)
0.006 kW
Product information