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toilet not flushing and just coming back into toilet

Posted: Sun Aug 17, 2025 7:06 pm
by starfish
Hello good people,

on my fresh water electric toilet, when I flush I do not hear it going into the holding tank or overboard (when sufficiently offshore, of course) and eventually the water comes back into the toilet.

What is going on and how do I fix it?

Thanks for looking.

Ed
sv/starfish

Re: toilet not flushing and just coming back into toilet

Posted: Mon Aug 18, 2025 11:03 am
by nybor
Make sure that wasps (dirt daubers) haven't sealed off the vent. Try flushing with the discharge cap off. Lastly, the joker valve could be bad. Easy to replace.

dave

Re: toilet not flushing and just coming back into toilet

Posted: Mon Aug 18, 2025 12:03 pm
by starfish
Thank you very much. Will check all and report back.

Ed

Re: toilet not flushing and just coming back into toilet

Posted: Tue Aug 19, 2025 8:43 am
by wolfe10
What make and model toilet do you have?

And, the toilet inlet is plumbed to fresh water supply?? Do you have a check valve to keep potable water potable??
OR
Do you use the shower hose to supply the flush water (what many of us do when water supply is not limited)?