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Old 07-05-2016, 11:46 AM   #1
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Hot water tank leaking

We have a seward 6 gal sst hot water tank . It's only hooked up to 110 volt using shore power and generator to heat water . It's not hooked up to the engine but the ports are there and open with no plugs . I'm getting water leaking from around one of these ports but not out of the center of the port . Do you think the tank has ruptured and this is the easiest way for water to drain out? I'm going to take it out this week and check it out before ordering a new tank but was wondering what you guys thought .
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Old 07-05-2016, 12:21 PM   #2
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Those heat exchangers are a tube within a tube, to help lessen the chance of getting engine anti freeze in your domestic water, if you ever had corrosion from either side. Sounds like you've corroded the outer tube. Other possibility is that the swage around the tube where it comes out of the tank has developed a leak. Either way it's likely time for a new WH
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Old 07-05-2016, 08:16 PM   #3
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Ok I'm gettin a new one . I'm still not planning on plumbing it to the engine . What should I do with the ports for the engine? Should I just leave them open or put a short section of hose on each unused port with a plug or just one section of hose and hook up the two unused ports to each other ?
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Old 07-05-2016, 09:31 PM   #4
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Both of my engines have water connections. Each connection has a valve. One engine is connected to the HW and the valves are open, the other is not connected, so the valves are closed. No difference in performance.
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Old 07-05-2016, 10:20 PM   #5
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Just a thought but if you don't plan to connect it to your engine, why not to get the same version but with no engine connection? It will be cheaper and as you don't plan to use engine heat it will make no difference for you.
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Old 07-05-2016, 10:39 PM   #6
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Quote:
Originally Posted by Lou_tribal View Post
Just a thought but if you don't plan to connect it to your engine, why not to get the same version but with no engine connection? It will be cheaper and as you don't plan to use engine heat it will make no difference for you.
I thought of that but haven't found a marine unit that is set up that way . Do you know of any ?
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Old 07-05-2016, 11:03 PM   #7
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The seaward 6 gal exist in both versions, with and without heat exchanger. All their model exist in both version.

Seaward 6 gal electric only
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Old 07-06-2016, 06:45 AM   #8
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SAVE your money .

If its just leaking out the engine heat tubing , cap up the tubing.

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Old 07-06-2016, 08:56 AM   #9
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Quote:
Originally Posted by FF View Post
SAVE your money .

If its just leaking out the engine heat tubing , cap up the tubing.

KISS
It's leaking around the edge of tube , not out of the center of tube .
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Old 07-06-2016, 09:45 AM   #10
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"It's leaking around the edge of tube , not out of the center of tube ."

Time for a trip to Home Cheapo for a 6-10 gallon unit what ever fits..
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