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24-11-2015, 01:37
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#1
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Registered User
Join Date: Nov 2015
Posts: 4
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Smelly heads
Hi all,
I'm new to this site so go careful with me.
Recently installed a new electric Jabsco head. Popped it in exactly where the old manual head went.
Waste is to a holding tank about 8 meters from head unit.
Head flushes fine, plenty of incoming water and all waste cleared from pan. However, after a couple of hours the flush water disappears from the pan and a nasty smell is coming up (which I assume is coming from the holding tank).
This didn't happen with the manual unit so me thinks it is something to do with the new one. Any ideas anyone?
many thanks
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24-11-2015, 02:14
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#2
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Senior Cruiser
Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
Posts: 49,513
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Re: Smelly heads
Greetings and welcome aboard the CF, Boofleman.
__________________
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"
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24-11-2015, 02:46
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#3
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Registered User
Join Date: Aug 2012
Location: Maryland, USA
Boat: 58' Sedan Bridge
Posts: 5,439
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Re: Smelly heads
What model of Jabsco? What water supply, fresh or sea water?
A first thought: if odor really is returning from the holding tank, and if you have a joker valve in the system... it may be failing, or installed badly, something like that...
-Chris
__________________
Chesapeake Bay, USA.
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24-11-2015, 04:01
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#4
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Moderator Emeritus
Join Date: Oct 2013
Location: Jacksonville/ out cruising
Boat: Island Packet 38
Posts: 31,351
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Re: Smelly heads
Easiest thing to check first would be the vent for the holding tank I think.
Peggy will be along soon I think and can better advise
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24-11-2015, 23:11
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#5
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Registered User
Join Date: Nov 2015
Posts: 4
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Re: Smelly heads
Thank you
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24-11-2015, 23:15
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#6
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Registered User
Join Date: Nov 2015
Posts: 4
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Re: Smelly heads
Hi. At present I'm drawing raw fresh water (I'm on a river). Is a joker valve a kind of non-return device?
I suppose if this joker was failing it would make some sense. I'll check it out.
Thanks
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25-11-2015, 01:37
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#7
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Registered User
Join Date: Jan 2012
Location: San Diego
Boat: Pearson 39-2 "Sea Story"
Posts: 1,109
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Re: Smelly heads
Are you saying that it never really functioned properly?
-Does your system have all the proper vented loops?
-8 meters is a looooong run of hose. Does it go up and down in all the right places, with no sagging low spots?
-Was the joker valve installed properly (see owner's manual, as this is usually part of the toilet itself, right where it meets the sanitation hose)?
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25-11-2015, 02:30
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#8
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Registered User
Join Date: Nov 2015
Posts: 4
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Re: Smelly heads
Hello Greenhand.
The manual toilet on the same pipe system worked fine. I then installed the electric Jabsco unit (which is new) and it does not keep water in the bowl.
Most of the sanitation hose I cannot see so don't know about sags, etc. Not sure what a vented loop is! How would I know if I have one? I've not owned the boat (an old cruiser) that long so still learning.
Thanks
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25-11-2015, 12:48
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#9
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Registered User
Join Date: Jan 2012
Location: San Diego
Boat: Pearson 39-2 "Sea Story"
Posts: 1,109
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Re: Smelly heads
Quote:
Originally Posted by Boofleman
Hello Greenhand.
The manual toilet on the same pipe system worked fine. I then installed the electric Jabsco unit (which is new) and it does not keep water in the bowl.
Most of the sanitation hose I cannot see so don't know about sags, etc. Not sure what a vented loop is! How would I know if I have one? I've not owned the boat (an old cruiser) that long so still learning.
Thanks
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Follow the hose. A vented loop is a big U shape, probably black or gray plastic, at the highest point of the hose. It should be above the water line at all times, even healed over. It will have a little cap at the top of the U. It is possible that the work done knocked some debris loose that is now clogging the little duckbill valve in that cap.
It sounds likely that there was a problem with the installation. If you had it done professionally, get them back. If DIY, check *everything* against the troubleshooting section of the manual.
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27-11-2015, 18:20
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#10
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Moderator
Join Date: Nov 2011
Location: aboard, in Tasmania, Australia
Boat: Sayer 46' Solent rig sloop
Posts: 28,594
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Re: Smelly heads
Peggy Hall is a member of this forum, so you could PM her. She knows more than anyone else about "Marine Toilet Odors and What to do About Them." Google her for the correct title of her book. You'll teach yourself what to do in this situation. The book is a sort of "everything you wanted to know about marine sanitation devices but were afraid to ask."
Ann
__________________
Who scorns the calm has forgotten the storm.
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27-11-2015, 18:21
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#11
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Registered User
Join Date: Jan 2011
Location: Cowichan Bay, BC (Maple Bay Marina)
Posts: 9,706
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Re: Smelly heads
__________________
Stu Jackson
Catalina 34 #224 (1986) C34IA Secretary
Cowichan Bay, BC, SR/FK, M25, Rocna 10 (22#) (NZ model)
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