Wall-mounted gas boiler Vaillant
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General information
Ordercode YESSS
7551-8443 
Product code
0010018740
EAN code
4024074750322
Product group
Wall-mounted gas boiler
Brand
Vaillant
Product specifications
Closed version
Yes
Operation as open model (air supply) possible
Yes
Nominal power, 80-60 °C
10 kW
Burner controller high/low
No
Burner controller, modulating
Yes
Control signal OpenTherm
No
Pilot light
No
Second return connection
No
Max. supply temperature (operating temperature)
75 °C
Built-in filling/drain tap
No
Built-in pressure gauge
Yes
Built-in weather-dependent controller
No
Built-in expansion vessel
No
Built-in pressure relief valve
Yes
Height
800 mm
Width
440 mm
Depth
360 mm
Connection supply
External thread
Outer pipe diameter supply
26.44 mm
Connection return
External thread
Outer pipe diameter return
26.44 mm
Connection, fuel
Other
Outer pipe diameter fuel
20.95 mm
Connection, air supply
Sleeve
Connection, flue
Sleeve
Nominal duct diameter, flue
90 mm
Condensate connection
Other
Useful heat emission at nom. heat emission, operation at high temperature (P4)
9.719 kW
Useful efficiency at nominal heat emission, operation at high temperature (n4)
78.18 %
Supplementary electricity consumption at full load (ELmax)
0.06 kW
Product information