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Old 26-09-2021, 17:13   #1
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Leak in stainless freezer seam (eutectic fluid)

I have very slow leak in the seam in the bottom of my freezer, so i'm losing eutectic fluid into the freezer base. It's just a pinhole, and i tried to epoxy which gave me a couple of months. It's built in, so I can't take it out, and have spoken to welders who won't do it in situ. Fridge guy suggested try epoxy again or sika.
Has anyone encountered this or found a simple solution? Thanks in advance.
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Old 26-09-2021, 17:17   #2
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Re: Leak in stainless freezer seam (eutectic fluid)

maybe try the new west system GFLEX epoxy?
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Old 26-09-2021, 17:32   #3
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Re: Leak in stainless freezer seam (eutectic fluid)

Quote:
Originally Posted by DanforSail View Post
I have very slow leak in the seam in the bottom of my freezer, so i'm losing eutectic fluid into the freezer base. It's just a pinhole, and i tried to epoxy which gave me a couple of months. It's built in, so I can't take it out, and have spoken to welders who won't do it in situ. Fridge guy suggested try epoxy again or sika.
Has anyone encountered this or found a simple solution? Thanks in advance.
Try that flex seal spray,it turns into rubber when dry
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Old 26-09-2021, 17:37   #4
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Re: Leak in stainless freezer seam (eutectic fluid)

[QUOTE=Homealone399;3490348]Try that flex seal spray,it turns into rubber when dry,there are 3 different types of flex seal,spray,paste and putty.try 1 see what happens .It turns into rubber so it should seal the hole.
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Old 26-09-2021, 18:08   #5
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Re: Leak in stainless freezer seam (eutectic fluid)

Assuming it is stainless steel... Clean the area as good as possible with a wire brush, 'paint' on some Ezi-Weld 801 flux then use a soldering iron or very soft / small flame to apply 50-50 'plumbers solder'
Wash away any excess flux.

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Old 26-09-2021, 18:53   #6
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Re: Leak in stainless freezer seam (eutectic fluid)

I wondered about this. It's definitely stainless, so assume I'd have to use the right flux?
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Old 26-09-2021, 19:16   #7
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Re: Leak in stainless freezer seam (eutectic fluid)

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Originally Posted by DanforSail View Post
I wondered about this. It's definitely stainless, so assume I'd have to use the right flux?
Yes, and then soldering stainless is very easy and successful. The flux should be readily available in NZ, we get ours from Sydney supplier: https://www.blackwoods.com.au/weldin...0ml/p/01143104

Cheers Louie
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Old 26-09-2021, 19:24   #8
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Re: Leak in stainless freezer seam (eutectic fluid)

Thanks Louie, Really helpful. I'll investigate this further.
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Old 27-09-2021, 12:42   #9
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Re: Leak in stainless freezer seam (eutectic fluid)

Ran a water cooled motor cycle with JB WELD over a leak the size of a pencil lead for 30k miles. This was on part of the system that ran under pressure. Be sure to get all the old fluid cleaned off first maybe using alcohol or acetone
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Old 28-09-2021, 10:13   #10
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Re: Leak in stainless freezer seam (eutectic fluid)

I have two Crosby holding plates. Both are full of eutectic fluid. Let me know if you want either or both.
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Old 29-09-2021, 20:12   #11
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Re: Leak in stainless freezer seam (eutectic fluid)

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Originally Posted by Madehn View Post
Ran a water cooled motor cycle with JB WELD over a leak the size of a pencil lead for 30k miles. This was on part of the system that ran under pressure. Be sure to get all the old fluid cleaned off first maybe using alcohol or acetone
I think that's where i went wrong first time. Acetone this time for sure.
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Old 02-10-2021, 15:05   #12
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Re: Leak in stainless freezer seam (eutectic fluid)

Unfortunately Gas welded and eutectic energy plates with gasket sealed covers will leak their solution. Stainless Steel gas welded plates sometimes developed pin holes in welds do to carbon added to weld areas. The best plates have continuous seam welded joints.

Metal plates expand and shrink do to changes in temperature and pressure making them difficult to stop even small leaks as long as some liquid is inside plate. The only permanent fix is to remove and drain it before applying some type eutectic solder. I find applying a low pressure vacuum through the fill plug opening, while soldering, seal pin holes better.
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Old 02-10-2021, 17:25   #13
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Re: Leak in stainless freezer seam (eutectic fluid)

In 2008 my Kollmann Marine Systems refrigeration eutectic plate developed a fluid leak at its bottom weld. These two notes from Richard's old web site describe his suggested repair and my exact repair method. The epoxy patch is still holding...
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