Outflow from invented direct water tanknk. Does

[Spence1412]

Maybe a stupid question but does the outflow have to go straight through an external wall and down or can it go through the house and then out?
I am not intending to diy this but need to know as ladder access is limited and would mean talking to the neighbors which none of us like doing.
Any help appreciated
Kevin

 

[ShaunCorbs]

You need fall on the pipe so there’s only so much you can go

 

[exedon2]

Correctly installed can go through the building needs to terminate where it is conspicuous.

 

[exedon2]

Sorry slight miss read I assume you mean unvented?
If so must be installed as per building regulations G3
and installed by a G3 registered installer they can advise.