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Old 04-07-2018, 14:54   #1
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Fresh Water Filter

I've purchased a 2005 sailboat that has a canister filter for the galley fresh water sink. The cannister, not including the threaded part, measures 4 5/8" in length and 3 1/8" in diamter. Those are the usable dimensions for the filter insert. The cannister only has a code molded into it (WC31-139P). An internet search uncovers nothing that's pertinent.

Where are sources of the internal filters where I might find a filter to fit the cannister?

If the proper size filter is chosen, it appears it will fit into the cannister. Am I correct about this?

Thank you.
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Old 04-07-2018, 14:56   #2
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Re: Fresh Water Filter

Hopefully, an uploaded photo will show up here.
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Old 04-07-2018, 15:40   #3
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Re: Fresh Water Filter

Looks like the ubiquitous carbon filter people buy. Despite the advertising, these are reasonable effective at removing taste but virtually worthless for anything else.

Efficacy is a function of residence time and these flow-through filters have only a trivial time in contact with the water. Regardless, just buy a new fixture as it's pretty cheap.
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Old 04-07-2018, 20:26   #4
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Re: Fresh Water Filter

Thanks for the reply.

Do you have a suggestion for a better filter; other than the carbon type?

I think your photo is of a Jag E-Type 12. I have a '69 Series II.

Again, thanks.
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Old 04-07-2018, 21:20   #5
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Re: Fresh Water Filter

Replace the filter cartridge housing with a full size one that fits the standard 10 inch by 2 1/2 inch filters that are available everywhere - much cheaper and ubiquitous as compared to compact models. Of course, you need the height for the taller canister. We have this one https://www.nzfilterwarehouse.com/product/619041

We have plastic water tanks so like activated carbon filters to improve the taste (we use a Soda stream for our drink mixers, so particularly important for that ;-) Ones impregnated with silver help prevent microbial growth.
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Old 04-07-2018, 21:21   #6
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Re: Fresh Water Filter

Quote:
Originally Posted by S/V Illusion View Post
...these are reasonable effective at removing taste but virtually worthless for anything else....

There is no technical basis for this statement. They are an industry standard housing and can be fitted with practically any sort of filter element, including some highly effective NSF 53 rated carbon block filters. I believe Illusion believes they can only hold granular carbon filters, which remove some tastes and most of the chlorine. Other elements are far more effective, depending on your target.



Learn what the technical ratings mean and learn what you need. This may help.



Sail Delmarva: Drinking Water Filtration--The Short Version


This one is 1/2-micron and is rated to remove cysts. The 10-inch long version has higher flow, but this is enough for one outlet.https://www.filtersfast.com/Pentek-C...er-filters.asp
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Old 05-07-2018, 04:54   #7
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Re: Fresh Water Filter

Quote:
Originally Posted by Acadia426 View Post
Where are sources of the internal filters where I might find a filter to fit the cannister?

Try filtersfast.com.

If you can't find a filter element that short, maybe you can easily replace the screw-on part of the housing with a longer sump -- if the threads match and if you have the depth available, could be dead easy -- and then use any good brand of carbon block (.5 micron) filter element inside it.

The Pentek FloPlus-10 10" carbon block filter would be an example, in that case.

-Chris
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Old 05-07-2018, 05:05   #8
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Re: Fresh Water Filter

Quote:
Originally Posted by Acadia426 View Post
I've purchased a 2005 sailboat that has a canister filter for the galley fresh water sink. The cannister, not including the threaded part, measures 4 5/8" in length and 3 1/8" in diamter. Those are the usable dimensions for the filter insert. The cannister only has a code molded into it (WC31-139P). An internet search uncovers nothing that's pertinent.
What does the water taste like without a filter? are the tanks clean?

Just to be different we don't filter the tank water. It means that if something goes astray hopefully we will know about soonest, normally by the taste of a mug of tea.

Pete
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Old 07-07-2018, 19:37   #9
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Re: Fresh Water Filter

That looks a lot like my filter and housing. Look up C2 filters. You should be able to find one with the technical rating you want.
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