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Old 02-01-2010, 08:41 PM   #1
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Default immersion chiller question

I am in the process of making my first wort chiller. My question is: How hot is the out putted water? The vinyl tubing I looked at was rated for 175 degrees F. Is the water cooler than that? What type of hose do you recommend?


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Old 02-01-2010, 08:48 PM   #2
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I am in the process of making my first wort chiller. My question is: How hot is the out putted water? The vinyl tubing I looked at was rated for 175 degrees F. Is the water cooler than that? What type of hose do you recommend?
Is that the same cheap stuff they sell in 10ft lengths at lowes? If so, I've used it. It gets pretty soft but it doesn't fall apart. I wouldn't use it for wort transfers or anything but for hot IC water it was acceptable.
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Old 02-01-2010, 08:49 PM   #3
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Yes that will work. It exchanges the heat over time, so don't expect the outflow of water to ever be as hot as your wort.

Make sure the hose clamps are tight.
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Old 02-01-2010, 08:54 PM   #4
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I am in the process of making my first wort chiller. My question is: How hot is the out putted water? The vinyl tubing I looked at was rated for 175 degrees F. Is the water cooler than that? What type of hose do you recommend?
I am also building a chiller myself.

You should have no problems. Water boils at 212 degrees F. There is no way that water running through your chiller will pick up that much energy to get up to anywhere around 175 degrees. Go ahead an use that tubing.

I have read that others have found that they have to periodically tighten the hose clamps that attach the tubing to the copper because of the heat, but that is not a big thing.
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Old 02-01-2010, 08:54 PM   #5
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Both my clamps developed small leaks as the process unfolded so keep an eye on them. That said, it is a good reason to make sure the copper comes a bit away from the kettle and angled down a bit.
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Old 02-01-2010, 08:58 PM   #6
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I am also building a chiller myself.

You should have no problems. Water boils at 212 degrees F. There is no way that water running through your chiller will pick up that much energy to get up to anywhere around 175 degrees. Go ahead an use that tubing.

I have read that others have found that they have to periodically tighten the hose clamps that attach the tubing to the copper because of the heat, but that is not a big thing.
It's a big thing if you forget to check and they leak on you.

I was going to make mine, but the guy at Home Depot told me I would need a tube bender. At over a buck a foot for the copper plus the hose, fittings and bender, I just decided to buy one. I spent a little more, but I didn't end up with a tool I don't see myself using and the possibility of crimping the tubing.
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Old 02-02-2010, 07:57 PM   #7
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Both my clamps developed small leaks as the process unfolded so keep an eye on them. That said, it is a good reason to make sure the copper comes a bit away from the kettle and angled down a bit.

I've seen some with the copper facing down with ~120 degree bend. I am afraid I will kink it with that much of a bend.
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Old 02-02-2010, 08:03 PM   #8
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I've seen some with the copper facing down with ~120 degree bend. I am afraid I will kink it with that much of a bend.
Just as people use a cornie or similar to wrap the piping around, I was imagining that I would just keep wrapping the end of the pipe around something smaller and smaller to keep it from kinking at the end. Any thoughts on this approach?
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Old 02-02-2010, 08:06 PM   #9
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Just as people use a cornie or similar to wrap the piping around, I was imagining that I would just keep wrapping the end of the pipe around something smaller and smaller to keep it from kinking at the end. Any thoughts on this approach?
When I was investigating building my own, I read that you can fill the tubing with water and plugging the ends somehow to prevent kinking while bending.

(Any more talk about KINKING and I just might start confusing my different forums...................)
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Old 02-02-2010, 08:14 PM   #10
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I've seen some with the copper facing down with ~120 degree bend. I am afraid I will kink it with that much of a bend.
Just enough that a small drip won't run UP the tube if you do develop a small leak.


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