Georgetownjim wrote:
Thanks folks. Have tried all the great suggestions. Inlet pipe is definitely too far into tank. I suspect a poor glue connection of the riser to the roof vent. The odor does not come from near the commode, sink or drains. It is just
"there" The logical solution to me is to
shorten the inlet pipe.or drill it full of vent holes with my 90 degree drill adapter & short bits! What do you think?
I'm still not understanding where the smell is getting into the RV. When the toilet is shut it's sealed. No fumes should get back into the RV short pipe or not. Everything should vent out the roof.
If I were going to shorten the pipe, I'd hook a wet/dry vac to the dump valve and hose it to the neighbors yard while cutting it. I'd worry about plastic falling in the tank as well. When done I'd sell all tools used on Craigslist.