How far from a toilet or sink can a vent stack be located to be within code.Thanks in advance for your help

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Originally Posted by lns0720

How far from a toilet or sink can a vent stack be located to be within code.Thanks in advance for your help

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It will depend upon what code you fall under. Do you know your code? Where do you live?
Rule of thumb will give you between 6 and 10 feet on a three inch drain and between ten and twelve feet between trap and vent for a 4 inch line.
Also, between 3 1/2' and 5 feet on a 1 1/2" drain and between five and six feet on a 2" line. To be more specific I'll need the code that you are under.
Good luck and thank you for rating my answer. Tom