looking to reinstate an old downstairs toilet and not sure if this needs a vent pipe as the old one's previously been removed, old waste pipe still intact to connect to.
current set up.
soil pipe heads from the toilet, under the porch to an outside manhole cover (2.5 meter run) then turns 90 degrees, runs a further 5 meters to another manhole cover where the main bathroom connects from the first floor and has a vent pipe extending to the roof.
plumber tells me this wont need a further vent pipe and reading part H i'm confused but thought all sewage needed a vent pipe for waste smells
current set up.
soil pipe heads from the toilet, under the porch to an outside manhole cover (2.5 meter run) then turns 90 degrees, runs a further 5 meters to another manhole cover where the main bathroom connects from the first floor and has a vent pipe extending to the roof.
plumber tells me this wont need a further vent pipe and reading part H i'm confused but thought all sewage needed a vent pipe for waste smells