Hot tap water boiler indirectly heated Vaillant
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General information
Ordercode YESSS
7551-8467 
Product code
0010020641
EAN code
4024074794944
Product group
Hot tap water boiler indirectly heated
Brand
Vaillant
Product specifications
Material boiler tank
Steel
Material casing
Steel
Surface protection of tank
Enamelled
Volume
490 l
Heat transfer
Spiral
Wall set-up
No
Vertical positioning
Yes
Max. primary operating pressure
10 bar
Max. secondary operating pressure
10 bar
With pressure reducing valve
No
With pressure gauge
No
With thermometer
Yes
With cleaning opening
Yes
Protective anode
Yes
Height
1802 mm
Width
790 mm
Depth
900 mm
Cold tap water connection
External thread conical (NPT)
Nominal diameter cold tap water
1 inch (25)
Hot tap water connection
External thread conical (NPT)
Nominal diameter hot tap water
1 inch (25)
Circulation pipe connection
External thread conical (NPT)
Outer pipe diameter circulation pipe
26.441 mm
Primary connection
External thread conical (NPT)
Energy efficiency class
B
Product information