Sewer Smell in bathroom sinks
Well, I'm not there so please be patient.
If you've run water and after waiting a few minutes, you stick your nose in the sink drain and smell 'stinkies', you've got me stumped! P-traps and S-traps are designed to use water as a 'blocker' in preventing sewer gas from making its way into the bathroom. The only time I've seen this 'rule' broken is when the water in the trap has evaporated, especially after a long vacation.
So I'm gonna go out on a limb and say that the smell isn't coming from the sinks. Instead, it's possible that the wax ring has lost its seal on the toilet. If the wax is soft and got ****ed in a little by the power plumber, then you'll get a gas smell in the bathroom.
Also, you said you checked the vents on the roof. 'No obvious problems' is subjective. Did you use a flashlight to look inside the stack to see if a bird built a nest? Did you check the stack in the attic to see if there is any smell in there?
If there are other ideas on finding the source of your gas leak, I'll leave it to others. If, at some point, you finally fix the problem, PLEASE come back and tell us what you had done. It would be interesting to know.
My best to ya and hope this helps.
Jay J -Moderator
PS: God bless America!
We are now a nation of entitlements and give me and G-D forbid they would say thanks it worked.
On thanksgiving I received a call from a lady she sounded desperate saying she is having 22 people over and her garbage disposal is broken.
She said please come over and ILL pay you even double your normal rate.
I told her try resetting the disposal either with the Allen wrench or pressing the reset button.
I heard the machine come to life and she was yelling it works it works how can I ever thank you enough.
I said my normal fee would be $175 per hr (service call) how about sending a check to Saint Jude's hospital for children with cancer in any amount you feel is fair.
I heard the phone go click
" S-traps are designed to use water as a 'blocker' in preventing sewer gas from making its way into the bathroom."
An S trap is not allowed in a civilized plumbing code as it can self siphon which will cause a loss of the trap seal
I would think before you give plumbing advice you may want to know what part of the planet the people are from as giving advice contrary to good plumbing practices will only complicate their problems
Sewer fumes are not just from trap seal loss there could be a broken vent or waste line inside the walls in which case an oil of peppermint test may hel pin point where the problem exists
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