Venting help!

[Ryan Miehm]

So I came across this set up (see picture) no vents at all. I’m just wondering what the best way to vent these sinks would be. Do I need to put vents on each 1 1/2” line before they tie into the 2” horizontal line or can they be installed on the 2” horizontal?

 

[WorthFlorida]

Depending on your code, the max distance for a 2" pipe trap to vent is 8 feet (or 5 ft) with a 1/4" slope.

https://terrylove.com/forums/index.php?threads/canadian-code-faqs.37300/

 

[Sponsor]

 

[Ryan Miehm]

Depending on your code, the max distance for a 2" pipe trap to vent is 8 feet (or 5 ft) with a 1/4" slope.

https://terrylove.com/forums/index.php?threads/canadian-code-faqs.37300/

understood. but my question is, where would I put the vents in this scenario, as each sink will have its own P-trap, therefor each sink will need a vent. will the vents have to go on the 1 1/2" drain before it ties into the 2" horizontal drain?

 

[WorthFlorida]

You vent at the 2" horizontal drain. If you are using 2" AAV's, it placed past the trap arm after the slip nut from the trap arm.