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Crown head not getting water

Discussion of AC's, plumbing and sanitation related issues.
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Topic author United States of America
CptBacardi
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Crown head not getting water

Postby CptBacardi » February 22nd, 2018, 8:34 am

Hi all, over winter the crown head failed to flush properly. The grinder makes noise and if I pour a glass of water into the toilet it will flush it down normally, but water does not enter the bowl as it normally does. The water pump is on and water flows from the faucets and shower normally. I’m not sure what to check? Thank you!
1989 Carver 38 Santego

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Topic author United States of America
CptBacardi
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Posts: 48
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Vessel Info: 1989 Carver 38 Santego (not an aft cabin)
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Re: Crown head not getting water

Postby CptBacardi » February 22nd, 2018, 8:42 am

I should add that this is the only head on the boat and it’s an 89 Carver 38 Santigo. I think it’s a Raritan crown head if memory serves.
1989 Carver 38 Santego

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tomschauer
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Re: Crown head not getting water

Postby tomschauer » February 22nd, 2018, 9:04 am

Unless it was modified, the Crown head is a raw water flush unit. It has an impeller to bring in raw water as part of the macerator. Either your feed to the impeller is clogged or you need a new impeller. Also, Check the impeller housing. If it has a crack it will not pull water.
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Topic author United States of America
CptBacardi
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Vessel Info: 1989 Carver 38 Santego (not an aft cabin)
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Re: Crown head not getting water

Postby CptBacardi » February 22nd, 2018, 9:54 am

I found a “G13” impeller on Amazon, would that be what I need? Are they replaceable without removing the whole unit? Any other advise on the install? Do I need to find a water turn off valve before removing the intake hose? I think this is a closed system that pulls fresh water from the tank and empties to the Black tank since this has always been a lake boat. Thanks!
1989 Carver 38 Santego
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Re: Crown head not getting water

Postby buster53 » February 22nd, 2018, 12:05 pm

Are you sure you pull water from your fresh water tank? Some do, but many use sea water.
Assuming you do have a sea water flush, check to make sure someone didn't close the seacock.

Now, if parts do need to be replaced, I would strongly suggest getting the Raritan rebuild kit for that unit.
My old Carver 3807 had 2 Raritan Crowns and I did the rebuild kit on both. It's not that bad of a job and it should be considered normal maintenance every 5-7 years or so.
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Re: Crown head not getting water

Postby waybomb » February 22nd, 2018, 6:29 pm

Second that on the rebuild. Not hard to do and the head works much better after everything is replaced.
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Re: Crown head not getting water

Postby mjk1040 » February 23rd, 2018, 1:54 am

From what I can find it appears the '89 model was a fresh water supplied head and not a lake water supplied head?
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Re: Crown head not getting water

Postby buster53 » February 23rd, 2018, 6:22 am

mjk1040 wrote:Source of the post From what I can find it appears the '89 model was a fresh water supplied head and not a lake water supplied head?


Not saying you are wrong but I went to the Carver brochure archives and looked up this model. The electric Crown was listed as an option, but there was no mention of a fresh water flush option.

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Re: Crown head not getting water

Postby Viper » February 23rd, 2018, 6:29 am

Depends on the model. My '89 uses lake water.
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Topic author United States of America
CptBacardi
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Re: Crown head not getting water

Postby CptBacardi » February 23rd, 2018, 2:34 pm

Upon further investigation this is a raw water crown head. The Raritan was rebuilt by the previous owner just a few years ago, so I only ordered the impeller. Great suggestion to check the housing for cracks! I’ll report back once I receive the part an go for the fix.
1989 Carver 38 Santego

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