Hittin' the Head

J

Jonathandbry

Member
exMember
Joined
Mar 8, 2010
RO Number
32077
Messages
44
I have noticed that my Raritan electric head sometimes fills up slowly is there supposed to be a valve or does it stay open to the tank? If so is this normal.
 
My interpretation of what you said is that, after a flush cycle, and the bowl is empty, it then begins a slow re-fill with the contents that have previously been flushed.

If that is a correct interpretation, then my guess is that:

The joker valve is partially clogged, or it is old and now mis-shaped ( ie: time to replace ).

Other related items are: is the holding tank higher than the bowl? Is the holding tank vent clogged?

At some point, someone will ask, "What model head", so prepare to answer that one... ;)
 
There are a couple of pertinent questions I have, that you didn't address: 1) does the toilet flush with raw water or pressurized fresh water? 2) is it dirty water or clean water that is coming back into the bowl after flushing.

If it is dirty water, it could be that the joker valve needs to be replaced, as was previously mentioned. The joker valve should be changed annually, to stay ahead of any problems.

But if it is not dirty water, it could be one of several conditions. The first thing to find out is the model of the toilet; that will be of tremendous help in trying to troubleshoot it.
 
It is a Raritan 160MF012 Sea Era raw water model, and it is dirty water coming back in.
 
Replace the joker valve #C254, and also double-check that the vent line on your holding tank isn't plugged up. If the vent line is plugged with sewage or paper and the tank can't vent, then pressure will build up in the tank as it fills. This pressure will relieve itself in the direction of least resistance - back into the toilet, through the joker valve. The vent line can be clogged at the though hull where it exits the boat, at the other end where it connects to the tank, or anywhere in-between.

Simple way to verify whether or not the holding tank's vent line is plugged - remove the cap from the deck fitting used to pump out the holding tank, and leave it off. Then use the toilet normally. If the backflow problem goes away while the deck cap is removed, then the vent line is clogged somewhere.
 
Thanks for the info Vic, do you know where I can find a break down PDF of the head? I don't know where the joker valve would go.
 
You must log in or register to reply here.
Back
Top