buffalobill wrote:
by modifying your home in this manner you have left the future of the
explosive fume exhaust system up to anyone with a screwdriver.
unless you are not speaking about a sewer vent line.
in any case the poor next guy will be asking us for help with a
mysterious source of odor or fumes from his hallway closet...
if you're not afraid of the methane produced by sewage that vents above
your roof, think about how nice it is when the system works properly
for a flammable liquid spill into the street sewer.


Thanks for your response, I'm looking to remedy the situation.