Drains to Stack

[jallingham (John Allingham)]

I don’t believe it’s acceptable to tie the A/C, HRV, and water purifier drains directly into the stack. Is it?

[mcyr (Marcel Cyr, CMI)]

Nope!

[jpope (Jeffrey Pope, CMI)]

With proper fittings it’s allowed, but this is simply a “hack-job.”

[bkelly2 (Brian Kelly, AZ Cert. # 60234)]

@jpope

With proper fittings it’s allowed, but this is simply a “hack-job.”

Ditto

[Brian_A.MacNeish]

@jpope

With proper fittings it’s allowed, but this is simply a “hack-job.”

Do you mean “a primed P-trap with proper venting”?