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Home Brew Forums > Home Brewing Beer > DIY Projects > Chillers and Stir Plates > Counterflow Chiller Tutorial
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Old 04-23-2008, 02:46 PM   #101
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Quote:
Originally Posted by bigben
I have a 50' 1/2" IC that I have been considering converting. How hard would it be to convert this??

Would I need to get 3/4" hose? Is 1/2" Copper tubing too big for a CFC? Also, would I have to straighten out the copper before slipping the hose on?

Thanks.
I'd consider selling that IC and making a CFC from scratch. You will have to straighten the coil first and it's likely already too stiff from the slight bending it's already been through. 3/8" x 20-25' is ideal in my opinion but I'm sure the 1/2" would be fine with 3/4" hose. You'll need to upgrade the end TEEs to 3/4" also and the reducers would be 3/4" to 3/8" if they have them.
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Old 04-23-2008, 03:49 PM   #102
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ok....anyone wanna build me a 25' CFC and trade a 50' IC?

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Old 04-25-2008, 11:57 AM   #103
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Quote:
Originally Posted by bigben
ok....anyone wanna build me a 25' CFC and trade a 50' IC?

You can straighten the IC you have. I just converted a 25' IC to a CFC with no issues. I did have to cut the bends out and could only use the coils, but I had no problems straightening out the coils or wrapping the CFC when I was done.
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Old 04-25-2008, 11:59 AM   #104
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Yea, I dove in. I cut mine last night.

The only issue with mine is that it's 1/2" copper tubing...not 3/8" like everyone uses. So I will probably make it at least 30 feet...or maybe the whole 50', since more wort will be flowing through at any given time. Not sure yet. And I will have to find the proper fittings.

I have also thought about making a hybrid chiller. I just have to coil the tubing up very tightly and I'm not sure I can do it without messing up the tubing.... How big of a diameter can you get PVC Pipe and end caps in?

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Old 04-28-2008, 11:40 AM   #105
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I put my converted IC to CFC into service this past weekend and it worked better than I could have imagined. My tap water (well) is still nice and cool and I was able to throttle back the flow of my cooling water to a trickle and still came out with wort at about 70* using gravity feed. Me like.

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Old 04-28-2008, 01:22 PM   #106
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You don't want to try getting 1/2" into a diameter smaller than about 6" and PVC larger than that is really hard to come by cheaply. Why not use 3/4" vinyl tubing as the outer jacket for a CFC?

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Old 04-28-2008, 03:50 PM   #107
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Quote:
Originally Posted by Bobby_M
You don't want to try getting 1/2" into a diameter smaller than about 6" and PVC larger than that is really hard to come by cheaply. Why not use 3/4" vinyl tubing as the outer jacket for a CFC?
I may do that bobby, but then I have the task of straightening out this huge coil.

If I did a CFC with 1/2" OD Inner tubing tho, would it need to be longer than a CFC made with 3/8" OD Inner tubing? Or would the larger amount of cooling water negate the presence of more hot wort? This is assuming that I don't have any flow control on the CFC output, and the wort is flowing as fast as it can.

One more thing...I would need 3/4" ID tubing right?
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Old 04-28-2008, 07:44 PM   #108
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I found the reducers for my second CFC at a different Lowes...



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Old 04-28-2008, 08:38 PM   #109
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Is very niiiice.

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Old 04-29-2008, 11:48 AM   #110
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Well, after all my 'hybrid' chiller talk...I think I'm just gonna make a CFC with my 1/2" IC. I already starting unrolling it. It seems pretty easy to straighten it out.

I'll probably go with the Cheyco method tho, and not use solder, cuz Im a noob. Also I guess I will try 3/4" ID Tubing for the outer hose.

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