Re: Septic Smell from Heat Vent
Posted by e-plumber on December 28, 2003 at 15:42:17:
In response to Re: Septic Smell from Heat Vent
: Hi,
: Suddenly I've noticed a septic smell coming from a heat vent in the second floor spare bathroom (heater is located in crawl space under the house). This smell doesn't seem to be coming through any other vent in the house. The toilet and sink are used maybe once a month in this bathroom. To give you a bit more info, only in the last three weeks the shower in this bathroom has resumed daily use after not being used at all for 1-1/2 years. Someone had also mentioned today that if a toilet is not used, a septic smell will develop from the pipes. It would be great if the solution was that easy!
: Can you offer any advice, please?
: Many thanks!

Reply:
All plumbing fixture drain traps are supposed to hold water, including toilets, which have integral traps. The toilet seal, (wax gasket) could also be an area where odors emit.
The crawlspace should also be inspected for sewer leaks, open drain lines, dead rodents, etc.
Good Luck. e-plumber



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