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wow a true pissing contest between a sparky (electrician) and plumber. Yes the roof vent. Im not a smell scientist, but 100% of time, the inlet baffle is missing, we replace it, smell gone. As I said, it slows the movement of gas through the pipes. The breaking down of sewage creates gas.


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I'm baffled....... :LOL: Sewer gas smell through a roof vent is part of (reason) the roof vent being on the roof. There's always sewer gas escaping through a vent. It sounds like less sewer gas with an inlet baffle tee?
 

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I'm baffled....... :LOL: Sewer gas smell through a roof vent is part of (reason) the roof vent being on the roof. There's always sewer gas escaping through a vent. It sounds like less sewer gas with an inlet baffle tee?
His point is that it will mediate how much comes out of the roof vent at a time. Smaller amounts of gas released at a time will allow it to condense inside the vent stack leaving relatively dry gas to escape which will quickly float away and disperse as opposed to large amounts of humid gas which would sink to the ground and cause smell issues.

I am not saying I agree with him, just trying to explain what his point seems to be.
 

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I wonder if he figured out he can put a studor vent on the roof pipe

I did that once on a commercial job. A fire station has horrible sewer gas odor (one of my big jobs at a time when I was a small company). I put studor vents on the roof and it worked but the plumbing engineer made us remove them. I came back on the weekend and installed a whole building trap and told nobody. I did leave any future plumber a master trap type clean out.
 

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............I came back on the weekend and installed a whole building trap and told nobody. ..........
Whole house traps get a bad rep but they have their place. I don't mind them as long as they are piped so I can snake/unclog things without having to let loose the brown tide of the apocalypse.
 
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