how much kw has a vaillant type vp5ze, since we are looking for a new Kettle and nobody knows this.

V Yntema, October 2009

From what I can gather the designation VP5-ZE refers to a circulating pump rather than a specific boiler... see this trade forum...

http://www.diynot.com/forums/viewtopic.php?t=36337

You can examine a list of Valliant boilers here...

http://www.homeheatingguide.co.uk/efficiency-tables.php?make=Vaillant

Good luck...

Peccavi, October 2009