Hot tap water boiler indirectly heated Vaillant
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General information
Ordercode YESSS
7551-8471 
Product code
0010020645
EAN code
4024074795026
Product group
Hot tap water boiler indirectly heated
Brand
Vaillant
Product specifications
Material boiler tank
Steel
Material casing
Plastic
Surface protection of tank
Enamelled
Volume
281 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
1804 mm
Width
650 mm
Depth
755 mm
Diameter
650 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)
Capacity profile
XXL
Energy efficiency class
B
Product information