These pictures are all of illegal and almost legal installations. Some were done as a DIY-job and some by registered installers.

Safety distance
Safety distance
Safety distance
Safety distance
Safety distance
Safety distance
Safety distance
Safety distance
No plug box allowed
No plug box allowed
Orange pipe through wall
Orange pipe through wall
distance
Distance
air vent
Air vent
Orange pipe through wall
Orange pipe through wall
Orange pipe through wooded partitions
Orange pipe through wooded partitions
Orange pipe & drain
Orange pipe & drain
Geyser in bathroom
Geyser in bathroom