How to find Coolant Lines in a Fridge - Home Brew Forums

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Old 05-28-2011, 03:52 AM   #1
May 2011
galt, ca
Posts: 9

Not sure if this has allready been posted and I assume it has due to the depth of the information on this site but here it is just in case. While I am sure there are lots of really intersting ways to find the coolant lines in any fridge/freezer you plan to make a kegerator this is the way I do it and works.

1. Find your local fire station, take them some cookies or a box of ice cream. Then ask them if they have "thermal imaging cameras". They probably do and they are awesome little portable units that read heat differentials in material. Now being a fireman myself I can say they should all be fairly receptive to pulling out the camera and taking a quick look at the walls of any cooling unit in order to see where the lines are run. I would suggest plugging the unit in and then when its good and cold making a quick run for the fire station before it warms up to much. The whole process with the camera should take about 2 minutes, that involved going out to the fire engine to get it.

While most guys and gals in the fire service would be happy to take a few minutes out of the day to make a citizen happy it can also be said that in a certain way..........everyone works for homebrew.


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Old 05-28-2011, 03:02 PM   #2
Bensiff's Avatar
Mar 2008
, Washington, the state
Posts: 4,920
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Damn firefighters get all the cool toys

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Old 12-16-2012, 09:47 PM   #3
Sep 2011
, WI
Posts: 65
Liked 2 Times on 1 Posts

I can attest to this method. I just had a friend of mine who has a thermal imaging business come over & shoot my fridge with it. He was able to laser point the line so I could mark it on the fridge.

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Old 12-16-2012, 11:57 PM   #4
jlb307's Avatar
Jan 2011
, PA
Posts: 230
Liked 34 Times on 26 Posts

i'll have to ask the fire marshal at my plant if he has an extra one i can "borrow" for a while
There is no "good beer" and "bad beer." Only what you like. Save the snobbery for the wine and cheese crowd.

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Old 12-16-2012, 11:59 PM   #5
Gear101's Avatar
Nov 2010
Posts: 2,068
Liked 73 Times on 68 Posts

There is a posting somewhere, that I guy makes sometype of paste and brushes on top, which when it dried showed the lines.
Island Time Brewery
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Old 12-17-2012, 02:12 AM   #6
Apr 2011
Darien, CT
Posts: 89
Liked 5 Times on 5 Posts

Volunteer firefighter here, yep TIC cameras work great for things like this It's amazing how sensitive they are, I can see my footprints on pavement where I just walked.

You should bribe them with a pint when there off duty

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Old 12-17-2012, 06:26 PM   #7
Oct 2010
Posts: 2,555
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I believe the paste was vinegar and baking soda.

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Old 12-17-2012, 06:35 PM   #8
Sep 2011
Posts: 59
Liked 2 Times on 2 Posts

Originally Posted by william_shakes_beer
I believe the paste was vinegar and baking soda.
Don't think that will work, but it might be exciting!

If I recall, it goes something like this:

Try rubbing alcohol and corn starch. Mix it into a paste and smear it on the fridge. The heat from the coils will dry the alcohol, showing their location.

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Old 12-17-2012, 07:44 PM   #9
Oct 2012
, Wisconsin
Posts: 53
Liked 8 Times on 7 Posts

Originally Posted by william_shakes_beer View Post
I believe the paste was vinegar and baking soda.
had a toy rocket that was powered with vinegar and baking soda. Sucker shot 60ft. up after the catch was tripped.

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Old 12-17-2012, 10:04 PM   #10
Huaco's Avatar
Dec 2011
Just south of Cow Town, Tx
Posts: 1,376
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Would one of those non-contact IR thermometers work as well? You could scan over the surface and find the temp changes.
I attempted to use a stud finder the other day but I guess the metal skin is too dense and it just thought the whole dang fridge was a stud.

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