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4 Aug 2003 at 10:31 am
#294833
Retired plbg1
Participant
Sounds like your toilet is not vented and it is getting syphoned by other fix use, the next time it is empty have some one flush a toilet and see if it has sucktion if so you need to vent it. Break up fl. and run vent through roof are connect to another oneabove the flood level of fix.