head fumes

[edbulmer]

We get bad fumes coming up from the heads when flushing only. We had a marine plumber in and he changed the choker valves, but we still get the fumes.
Any ideas?

[Lagoon4us]

Maybe you are getting fume from a disconnected breather on the tank OR the fume is flowing back into the cabin via a deck port or cabin side window.
When you flush the volume inside the tank increases pushing that fume/smell out.....

[edbulmer]

The fumes come right out of the heads.

[HopCar]

The intake side of your toilet is probably contaminated with rotting vegitation. Seaweed can be picked up with the flush water, it gets caught on the intake side of the toilet and rots. I usually find it caught in the rim of the toilet bowl. There is a large passage in the rim for the flush water. There is a series of small holes under the rim that lets the flush water into the bowl. The holes are too small to let the large pieces of seaweed to come through.

Everybody looks for the source of toilet smells on the downstream side. If you smell it in the bowl and your joker valve is good, the smell is coming in with the flush water.

The fix is to clean the intake side from seacock to the bowl rim and install a strainer to catch the larger bio stuff before it gets caught in the rim of the bowl.

You should read Peggie Hall's book "Get Rid of Boat Odors" for a more complete explanation.


You can order it here: Get Rid of Boat Odors by Peggie Hall

[bobconnie]

I thought I knew somethings about boat smells and how to cure them !! but let me tell ya, Peggie Halls book is something every boater should have aboard !! Hop Cars got it right on this for sure !! I would not sell my copy for less then 30 bucks! it's worth more then that to me !! Just sayin

[edbulmer]

Now I think that's the ticket. I will look into that. Thanks so much. I'll be back with an answer.