How far can a standpipe (used to drain a washing machine) be from a vent pipe?

vfalzone Posts: 1, Reputation: 1

New Member

Mar 7, 2011, 03:01 PM

How far can a standpipe (used to drain a washing machine) be from a vent pipe?

ma0641 Posts: 15,675, Reputation: 1012

Uber Member

Mar 7, 2011, 04:08 PM

Depends on the pipe size but 2" drain to vent is 5" max. There is a lot of water to remove when a washer pumps out.

mygirlsdad77 Posts: 5,713, Reputation: 339

Plumbing Expert

Mar 7, 2011, 04:26 PM

Yep, my area allows max of five foot between trap and vent for two inch pipe also.

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