quick dumb question
#1
quick dumb question
ok so I am redoing the drainage on my sinks in my bathroom (see other post by me).
here is a dumb question, the drainage pipe goes down into the drainage system, but it also goes up... to where?
is it just a vent or an open end to keep it from getting a siphon?
thanks,
tren
here is a dumb question, the drainage pipe goes down into the drainage system, but it also goes up... to where?
is it just a vent or an open end to keep it from getting a siphon?
thanks,
tren