Main sewer line vented in the crawl space

[Joe Funderburk, CMI]

Anyone ever seen something like this? Why would they do that if the system was vented through the roof? Is it OK?

[Stephen W. Stanczyk]

Definitely not ok. No drilling or tapping connections are allowed. Also, ABS and PVC cannot be directly glued to each other. Vents must also terminate outdoors to open air.

[David P. Valley]

That opening must reek.

Must be sealed.

[Joe Funderburk, CMI]

Reek is what I thought. I didn't even think about the material incompatability. Thanks. Your fast replies are great!