Sometimes the water level in the toilet bowl drops below the trap letting sewer gas into the bathroom. How can the water level be raised in the bowl? Why is it that sometimes the level is low--this has happened recently and the toilet has been working fine the past 15 years. TIA
Sewer gas from toilet
Aug 21, 2006
3 Replies
Something's changed in your vent stack. Bird's nest, dead animal, back flush clog, or something. Your water is getting siphoned out. Check your vents. Bowl water height is determined by the trap design. Make sure the "fill pipe" is connected to the overflow in the water tank.
You don't need to raise the water, rather you need to keep it from going down. Most of the time when this happens there is a fully or partly blocked vent. You may also have a partly blocked drain.
odd mine did that awhile ago then one dthe problem went away/
in my case its probably a clog.
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