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Old 01-16-2013, 11:03 PM   #1
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what is this?

Not sure what its function is but it looks ready to be replaced?

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Old 01-16-2013, 11:12 PM   #2
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Not sure what its function is but it looks ready to be replaced?
At first glance it looks to be a horizontally-mounted sea strainer of the type commonly used on an engine's raw water intake. Unless your photo is rotated 90 degrees, I'm surprised to see one of these --- if that's what it is--- mounted sideways.

Normally they are mounted vertically so the top can be removed to pull out and clean the strainer that is inside. That way the water in the filter body doesn't spill out into the bilge.

The typical construction of these filters--- one of the better manufacturers being Groco which is the type we have--- has bronze ends with a heavy glass body. Four (usually) bronze rods run the length of the filter body and serve to clamp the end caps and the glass body together.

There is a bronze lid or cap on the top that can be removed, on ours with a big central wing nut, to give access to the filter element inside. The metal filter element, usually a long stainless steel "basket," is mounted inside and can be lifted out for routine cleaning.

The filter is intended to capture sand, mud, weed, etc that might find its way up through the intake through-hull and prevent it from getting to the raw water pump on the engine where it could clog the impeller chamber or even damage or break the impeller.
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Old 01-16-2013, 11:57 PM   #3
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Whoa.

Run away from that boat.
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Old 01-17-2013, 12:57 AM   #4
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It's a sea strainer in really bad shape. I think the photo is on its side, as noted by someone else. I also agree, stay away from this boat, if you are looking to buy.
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Old 01-17-2013, 01:05 AM   #5
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At first, I thought it was a sea strainer. Then I rotated the picture 180 degrees and noticed the 2 wires. 12V or bonding wires? Could it be that the pic is upside down and is a very poorly mounted and maintained raw water pump?
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Old 01-17-2013, 01:09 AM   #6
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Has to be a raw water strainer. Bfloyd, if you're seeking input on this stuff about a boat you're looking at, I would imagine there are HUNDREDS of other issues with the boat. Do you have a surveyor, or anyone else looking at the boat with you that's knowledgeable enough to answer these questions?

hmm.. recalling another post I saw tonight about "Titles" , Bfloyd, you're a Guru in a few months on the site, and I am only a Senior Member after 5 years. I guess I need to get busy posting more stuff....
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Old 01-17-2013, 01:14 AM   #7
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No it appears to be a Perko Fig. 493 strainer. I relatively pricey strainer at that. However it is needing a little maintenance currently. Along with everything else in the picture.


Is this boat abandoned?
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Old 01-17-2013, 01:14 AM   #8
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If the photo is 90 degrees off, that means the through-hull is in the side of the boat. Not unheard of, I suppose, for an engine's raw water intake, but not typical based on the ones I've seen thus far.

Our two sea strainers are connected into the boat's bonding system with heavy green wire.
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Old 01-17-2013, 01:22 AM   #9
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If the photo is 90 degrees off, that means the through-hull is in the side of the boat. Not unheard of, I suppose, for an engine's raw water intake, but not typical based on the ones I've seen thus far.

Our two sea strainers are connected into the boat's bonding system with heavy green wire.
If so, I'm mighty happy with my sea strainer.

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Old 01-17-2013, 03:12 AM   #10
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Not sure what its function is but it looks ready to be replaced?

It appears to me to be a strainer connected to a seacock. The wires are the bonding wires.

It should be easy to figure out it's function (besides straining debris out of the water) by tracing the hose to see what it feeds.
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Old 01-17-2013, 07:18 AM   #11
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Not sure what its function is but it looks ready to be replaced?


H'mmm ... aren't you the same guy who just posted "I've been boating for a gazillion years in all kinds of vessels up to about 60 feet ..."?

So in all those gazillion years on such a range of vessels, you've never seen a sea stainer?

Looks like a troll to me ...
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Old 01-17-2013, 07:31 AM   #12
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If so, I'm mighty happy with my sea strainer.

Mark: Stop embarrassing the rest of us with your polished engine compartment. Oh, to have one item so spic-n-span. I don't think I've even got something that clean on the outside of my boat.

Anyway, I concur with all the above.
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Old 01-17-2013, 07:56 AM   #13
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Old 01-17-2013, 07:56 AM   #14
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H'mmm ... aren't you the same guy who just posted "I've been boating for a gazillion years in all kinds of vessels up to about 60 feet ..."?

So in all those gazillion years on such a range of vessels, you've never seen a sea stainer?

Looks like a troll to me ...
It just goes to show that you can do something for years and never understand what you are doing. Some folks are like that.
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Old 01-17-2013, 08:42 AM   #15
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If so, I'm mighty happy with my sea strainer.

Gratuitous picture deleted


M too Me too Me too
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Old 01-17-2013, 09:21 AM   #16
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Looks the same as mine, without the salt and kooties. Mines laying down too, I haven't tried to clean it out yet, as I can see through the glass it's not clogged.

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Old 01-17-2013, 09:32 AM   #17
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I think Northern Spy got it right. It's a Perko Strainer screwed onto an Apollo seacock. Good hardware. The strainer should be cleaned up and rebuilt with a gasket set. I bet the seacock is frozen from lack of exercise.
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Old 01-17-2013, 10:03 AM   #18
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BS Floyd

After several months of reading your posts, suggest a re-boot.
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Old 01-17-2013, 10:18 AM   #19
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BS Floyd

After several months of reading your posts, suggest a re-boot.

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Old 01-17-2013, 10:54 AM   #20
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Looks the same as mine, without the salt and kooties. Mines laying down too, I haven't tried to clean it out yet, as I can see through the glass it's not clogged.

You might consider moving that strainer.

On my boat the sea strainers are all mounted so that the top of them is above the water line.

Actually all the boats I've owned were like that. The strainer top has always been above the waterline.

Is that a "standard", or is it just my boats?
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