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Old 06-07-2010, 08:41 PM   #1
Mar 2010
Saint Louis, Missouri
Posts: 772
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Hey everyone, so I did a search, and while there was a lot of talk about how to make chillers and how much length, I want to know which type of coil to use.

Mainly I am seeing Type M (cheaper, $40 for 50ft), or Type L (60ft @ $117). Both can come in coil, but I was wondering which is preferable to use as the material for a wort chiller. I know you can use either Type M or Type L, and especially with the price of copper now-a-days, I am using most opt for the Type M refrigeration tubing. I just want to know if there is any drawback or weakness to the Type M tubing compared to the thicker, stiffer Type L tubing, or vise versa.
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Old 06-07-2010, 09:29 PM   #2
Punx Clever
Nov 2007
Posts: 251
Liked 46 Times on 31 Posts

When you are talking heat transfer you want the thinnest walls possible. Type M wins

You also want it to be easily formed... type M wins

You also want it to be cheap... type M wins

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Old 06-07-2010, 09:31 PM   #3
thedude00's Avatar
Apr 2010
Staten Island, New York
Posts: 431
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M will work the best or even AC grade copper tubing works too and AC grade is a little cheaper the M i found it for 35 for 50 ft
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