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Old 07-07-2010, 05:09 AM   #1
doggage
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Default Pass Through for Refrigerator

I bought a great old fridge that was converted to a kegerator. There's one thing I'm not crazy about: the oversized and poorly cut hole in the side of the refrigerator for passing the CO2 hose through. I'd like a tighter seal around the hose so humidity can't get in and cold out. I've been using duct tape, but I'd like to cut the hole a bit larger and get some sort of bulkhead to clamp down. Unfortunately, there's not much room on the inside for a big pass-through shank. Anyone have any suggestions for a cheap and clean-looking solution?


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Old 07-07-2010, 05:10 AM   #2
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Originally Posted by doggage View Post
Unfortunately, there's not much room on the inside for a big pass-through shank.
No gay.


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Old 07-07-2010, 10:45 AM   #3
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How about something like this, large enough to fill the hole, with pipe insulation around the CO2 line to fill the interior?

http://www.truetex.com/bulkhead.htm
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Old 07-07-2010, 02:14 PM   #4
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That tutorial is a little complicated since that's to be watertight. But it gave me a great idea. I'll just use a pvc conduit end for going into a junction box. I think the 5/16 hose will fit perfectly in that. If that doesn't seal well, I'll definitely just make the bulkhead in that tutorial. Thanks!
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Old 07-07-2010, 07:14 PM   #5
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Fill the gap with plumbers putty or expanding foam (be careful that stuff expands a lot and gets everywhere). The foam is easy to cut after it cures. The putty has some give. I even used some blue goo to seal up a similar situation.
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Old 07-08-2010, 07:33 PM   #6
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If you're putting your primary reg outside the tank, you can go with brass fittings.

Get a female hose barb for the inside, a washer, a short tube, then a washer and whatever fitting you want for the outside (I suggest a pneumatic tool fitting as a QD.)

Squirt a bit of spray foam in before you tighten the threads the whole way.

Option two would be a bulkhead fitting, and put the flange on the inside, the threads on the outside. Then you just need whatever fittings.

If you're not against PEX tubing, you can get John Guest (slip) fittings that will do it.

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Old 07-09-2010, 01:06 PM   #7
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http://www.grainger.com/Grainger/items/1WTB9?Pid=search

Or get it in brass
http://www.grainger.com/Grainger/items/4DHH7?Pid=search


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