Water backing up in toilet while going down the lake
Moderators: BeaconMarineBob, Moderator, BeaconMarineDon
Water backing up in toilet while going down the lake
When we are docked we have no issues at all. We have the purasan system on our f44 Trojan but when we start out moving around the rear toilet fills up with water. It does not overflow it just fills up to the top. The easy way I found to remove the water is to cut the sea water valve off n push the button to flush n it goes back to normal level. Need help before the big mess happens. Thanks
- prowlersfish
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- Joined: Sat Nov 05, 2005 6:56 pm
- Location: Lower Chesapeake Bay ,Va
Re: Water backing up in toilet while going down the lake
Maybe an issue with the vented loop if you have one.
Boating is good for the soul
77/78 TROJAN F36 Conv.
6BTA Cummins diesels
Life is to short for a ugly boat
77/78 TROJAN F36 Conv.
6BTA Cummins diesels
Life is to short for a ugly boat

Re: Water backing up in toilet while going down the lake
I followed the lines and yes it has the loop in the line
- prowlersfish
- 2025 Gold Support
- Posts: 12723
- Joined: Sat Nov 05, 2005 6:56 pm
- Location: Lower Chesapeake Bay ,Va
Re: Water backing up in toilet while going down the lake
The valve in it could be bad
Boating is good for the soul
77/78 TROJAN F36 Conv.
6BTA Cummins diesels
Life is to short for a ugly boat
77/78 TROJAN F36 Conv.
6BTA Cummins diesels
Life is to short for a ugly boat

Re: Water backing up in toilet while going down the lake
Replaced the joker valve n no more issues. Thanks
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- Location: smiths falls, ontario, canada
Re: Water backing up in toilet while going down the lake
Great news
Trojan 1994 370 Express, 502 Bluewaters