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Old 11-22-2010, 02:03 PM   #1
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Default Can I use a old watercooler to cool a keg?

Can it be done some how? I have a old watercooler that we no longer use, could I adapt it somehow to cool a keg? Maybe I could put the keg inside it somehow and wrap it with insulation and place cooling elements placed directly on the keg? Has this been done before?

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Old 11-22-2010, 04:51 PM   #2
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I can imagine doing this, but I expect what you'd basically have to do is gut the water cooler, and use its refrigeration loop in mini-fridge size box. Probably easier to just start with a used mini-fridge.

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Old 11-22-2010, 04:59 PM   #3
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I already have the cooler so I am going to give it a try since I have nothing to loose. I was thinking about gutting the unit, mounting the cooling coils directly on the outside of the keg, wrapping the keg and coils in that silver bubble wrap, and then attaching a new draft tap to the top front of the cooler. I may also add some insulation to the unit to help with the cooling. The co2 tank will probably have to be external (or maybe on-top where the bottle use to sit).

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Old 11-22-2010, 05:11 PM   #4
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That's worth a shot, I suppose. I think I'd try to go about this in a way that makes it possible to switch out the keg, though, or you'll find that cleaning it and switching beers becomes a pain in the neck.

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Old 11-22-2010, 05:14 PM   #5
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I wasn't going to permanently connect the coils so that shouldn't be a problem (just going to use pressure to hold them in place, maybe a strap or something). Tomorrow night I will take the cooler apart to see how much room there is and what I have to work with, thanks.

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Old 11-22-2010, 05:21 PM   #6
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The only issue I see is the keg switching ability, it won't be as quick as a fridge, but it could be very cool. Take pics and document your process.

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Old 11-22-2010, 06:19 PM   #7
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I plan on making it removable so it just depends on what type of cooling unit it uses. Apparently some use copper coils and some use a submersible probe. The keg jacket will be made from reflective bubble wrap either way (the type you put around a water heater).

Well my other hobby outside of brewing is computers, specifically gaming computers that are liquid cooled. If my watercooler uses a probe then I already have an idea of using a copper coil around the keg with quick disconnect tubes connected to a pump. I can then either just connect the lines directly to the existing water reservoir OR make a new reservoir filled with glycol or something and cool that instead. If my watercooler uses a copper coil for cooling then I will adapt then to make direct contact with the keg itself. I will take apart the cooler tomorrow and see what I have to work with (Pics to come as well).

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Old 11-22-2010, 08:34 PM   #8
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I just pulled it apart and there is enough empty space to just fit a keg. Now the question is what type of cooling element does it use. I think this may just work if I put the taps on the top and remove the reservoir.

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Old 11-22-2010, 09:14 PM   #9
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where are the pics, we want pics...

-=Jason=-

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Old 11-22-2010, 09:25 PM   #10
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Just an idea: http://www.beer-wine.com/products/cold-plate-cooler-2-faucets

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