top | item 23109862 (no title) ToFundorNot | 5 years ago Most likely an S trap then. They are no allowed due to the probability of self siphoning. Not to say an S wouldn't, but it's improbable. discuss order hn newest downerending|5 years ago It was a p-trap with a non-obvious hole the size of a nickel. Became obvious the first time I used a plunger. :-P
downerending|5 years ago It was a p-trap with a non-obvious hole the size of a nickel. Became obvious the first time I used a plunger. :-P
downerending|5 years ago