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I've done a quick search and nothing seems to answer my question.
I'm installing a new basin and the waste will be joining behind the toilet into an existing boss. The length of the run is 700mm to a 90 degree bend then a short 200mm run.
What drop should I do? And would this affect the 90 degree bend going up to the bottle trap.
Thank you
I'm installing a new basin and the waste will be joining behind the toilet into an existing boss. The length of the run is 700mm to a 90 degree bend then a short 200mm run.
What drop should I do? And would this affect the 90 degree bend going up to the bottle trap.
Thank you