Date: Thu, 07 Oct 2004 18:27:53 -0500
From: gary 
Newsgroups: misc.consumers.house
Subject: Re: septic system roof pipe odor

Dee Randall wrote:
> "Eric Tonks"  wrote in message
> news:4164b2e8$0$59533$a1866201@newsreader.visi.com...
> 
>>That is where the smell is supposed to come out, anywhere else is not
>>acceptable. If you are smelling it, maybe you should add an extension to
>>make it higher.
>>
>>"Dee Randall"  wrote in message
>>news:10m32ul7tjfogbe@corp.supernews.com...
>>
>>>Wondering what might be done to eliminate odor coming from roof pipe?
>>> Hopeful for some suggestions.
>>>Thanks
>>>Dee
> 
> 
> My husband said he had added an extension, but it was the maximum that he
> could add for the sake of stability. However he said that he did order the
> charcoal filters.
> Thanks again,
> Dee
> 
> 
Had this same problem and it turned out that the ignoramus installer 
forgot to install the inverts in the first tank. No inverts results in 
odor being allowed to vent back up the pipe.

The invert is a section of pipe which is installed on both the incoming 
and outgoing pipes which is elbowed down below the level of liquid in 
the tank. Acts a lot like a p trap in a drain.

Gary