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15-08-2017, 09:28
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#1
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Registered User
Join Date: Feb 2017
Location: Waukegan, IL
Boat: Columbia 10.7
Posts: 670
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No flushing water to head
I bought a Cal 27 earlier this year and I've been cleaning, repairing and refitting the boat all summer.
One aggravation is that I'm not getting any water to the toilet pump. The through-hull fitting is open but I don't see any water in the hose (it's clear).
The head is above the water line, so water will not naturally fill the hose. Do I need to prime the hose before it will draw water from the lake? Or, should it draw water naturally? Do I need to replace the pump on the toilet?
The toilet will pump water out of the bowl, but does not draw flushing water.
I don't need a brand name anywhere on the toilet. Any troubleshooting tips are appreciated.
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15-08-2017, 09:28
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#2
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Registered User
Join Date: Feb 2017
Location: Waukegan, IL
Boat: Columbia 10.7
Posts: 670
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Re: No flushing water to head
FYI, the toilet could be original equipment, so it may be 30 years old.
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15-08-2017, 09:32
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#3
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Registered User
Join Date: Aug 2010
Posts: 3,074
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Re: No flushing water to head
Is this a manual pump or an electric flush?
Manual Pump uses a diaphram. Electric uses an impellor. If it's an eletric flush, try pouring some water down the head and letting it sit for a while, then try flushing to see if that works.
Both the diaphram style and impellor style need to be replaced every few years.
Get a rebuild kit and rebuild it and it will more than likely resolve the issue.
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15-08-2017, 10:13
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#4
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Registered User
Join Date: Apr 2004
Location: Toronto
Boat: CS36Merlin, "La Belle Aurore"
Posts: 7,557
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Re: No flushing water to head
First take the hose off the thru hull and open it. If water comes in the thru hull is ok. If not the thru hull is plugged. Clear it out. If water is coming in then it's the pump.
__________________
Rick I
Toronto in summer, Bahamas in winter.
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15-08-2017, 10:19
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#5
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Registered User
Join Date: Sep 2009
Location: Houston
Boat: '76 Allied Seawind II, 32'
Posts: 9,626
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Re: No flushing water to head
Chances are good that the head pump is shot....they don't last forever.
Simple test as Vasco said, or blow into the water hose and see if you can bubble outside of the boat.
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15-08-2017, 12:28
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#6
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Registered User
Join Date: Feb 2017
Location: Waukegan, IL
Boat: Columbia 10.7
Posts: 670
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Re: No flushing water to head
Quote:
Originally Posted by Shrew
Is this a manual pump or an electric flush?
Manual Pump uses a diaphram. Electric uses an impellor. If it's an eletric flush, try pouring some water down the head and letting it sit for a while, then try flushing to see if that works.
Both the diaphram style and impellor style need to be replaced every few years.
Get a rebuild kit and rebuild it and it will more than likely resolve the issue.
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It is a manual pump. As I mentioned, it flushes the bowl, but does not suck water in. I'll try to blow air out the hose and see if the thru-hull is blocked.
Thanks
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15-08-2017, 12:29
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#7
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Registered User
Join Date: Feb 2017
Location: Waukegan, IL
Boat: Columbia 10.7
Posts: 670
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Re: No flushing water to head
Quote:
Originally Posted by Vasco
First take the hose off the thru hull and open it. If water comes in the thru hull is ok. If not the thru hull is plugged. Clear it out. If water is coming in then it's the pump.
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I will check that out this week. Thanks
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15-08-2017, 12:32
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#8
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Registered User
Join Date: Feb 2008
Location: North Charleston, SC
Boat: Camano Troll
Posts: 5,176
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Re: No flushing water to head
You know there's going to be a valve on that thru hull, right? See if it's open or closed.
__________________
Ron
HIGH COTTON
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15-08-2017, 13:12
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#9
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Registered User
Join Date: Feb 2017
Location: Waukegan, IL
Boat: Columbia 10.7
Posts: 670
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Re: No flushing water to head
Quote:
Originally Posted by rwidman
You know there's going to be a valve on that thru hull, right? See if it's open or closed.
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As I mentioned in the OP, thru-hull is open. But the toilet is above the water line so water is not visible in the feed hose.
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15-08-2017, 15:49
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#10
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Marine Service Provider
Join Date: Feb 2011
Posts: 3,010
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Re: No flushing water to head
If you can post a photo of the PUMP (all bowls look alike) from the top, I can ID it including approx. age. Whether to replace or renew depends on both age and brand...if it's more than a few years old, you're better off replacing it.
Peggie
"If you can't explain it to a six year old, you don't completely understand it yourself." --Albert Einstein
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15-08-2017, 17:49
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#11
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Registered User
Join Date: Feb 2017
Location: Waukegan, IL
Boat: Columbia 10.7
Posts: 670
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Re: No flushing water to head
Quote:
Originally Posted by peghall
If you can post a photo of the PUMP (all bowls look alike) from the top, I can ID it including approx. age. Whether to replace or renew depends on both age and brand...if it's more than a few years old, you're better off replacing it.
Peggie
"If you can't explain it to a six year old, you don't completely understand it yourself." --Albert Einstein
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I think replacing the pump is a great idea in any case. I just need to identify it. I will post a photo tomorrow night.
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15-08-2017, 18:16
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#12
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Registered User
Join Date: Feb 2008
Location: North Charleston, SC
Boat: Camano Troll
Posts: 5,176
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Re: No flushing water to head
Quote:
Originally Posted by Bigjim
As I mentioned in the OP, thru-hull is open. But the toilet is above the water line so water is not visible in the feed hose.
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Well, a "thru hull" is one thing, a valve or seacock is something else.
__________________
Ron
HIGH COTTON
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15-08-2017, 23:54
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#13
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Registered User
Join Date: May 2011
Location: Miami Florida
Boat: Ellis Flybridge 28
Posts: 4,057
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Re: No flushing water to head
Many manual toilets have a lever that allows you to pump the bowl dry without bringing in any more water. Is yours set to "Dry Bowl"? If it is, flip the lever the other way and I bet you'll get water.
Do yourself a favor and buy Peggie's book.
__________________
Retired from Hopkins-Carter Marine Supplies
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16-08-2017, 15:14
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#14
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Registered User
Join Date: Jan 2016
Location: San Diego, CA
Boat: Beneteau 40.7
Posts: 343
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Re: No flushing water to head
Can you disconnect the intake hose at the toilet end and lower the end to below the waterline to check for water flow...or close the inlet valve and disconnect the hose at the valve end and either some water will run out of the hose or you can carefully open the valve to see if water flows in. If there is water seen raise the valve end of the hose and pour water in it to see if it flows to the bowl. That will identify if the intake hose is clogged.
A problem I had with my Jabsco manual head is that the flapper valve operated by the "wet/dry" toggle was not sealing properly in the "wet bowl" position due to being left in the "dry bowl" position for several years, mainly when not in use. Because of the resultant air leak I could not draw seawater into the bowl.
Once you identify the head model replacing the main pump gasket will fix this.
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17-08-2017, 07:17
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#15
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Registered User
Join Date: Aug 2009
Location: Hudson Valley N.Y.
Boat: contessa 32
Posts: 826
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Re: No flushing water to head
See post # 13, my groco hd has this lever and if head is unused for a week or so no water fills the bowl......So I add abucket or2 and pump it out ,this sets all right again but of course the levers must be in the correct position.
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