... I hate to see the bill for pretty much anything in central Europemistergreen wrote: ... yikes, I'd hate to see the bill for stainless steel pipes... ...
PVC gets installed too, but is rare around here.
The stainless steel setup for the entire one family house would have been only 500Euro more than the zink (material is more expensive, but labour requires less hours, as it is easier to install (easier to cut?).