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Old 09-05-2009, 10:30 PM   #1
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Default Very cheap Coleman Xtreme conversion

A victim of the recession, I didn't want to spend a lot of extra money for a mashtun. I picked up a 70 qt Coleman Xtreme at Walmart for $38. Now the one I converted for my son cost an additional $60 for hardware. He went SS ball valve and a 2 channel copper manifold. For mine I took the plastic bulk head vale off one of my ale pails. It fit perfectly in the cooler opening. Instead of using the plastic nut on the inside of the cooler, I got a copper 3/4" female to 1/2" fitting, Cost $5.37 at Lowes. I had a left over piece of copper pipe from my son's mashtun and made a single manifold the length of the cooler and got a copper cap for 53 cents. Did not solder anything. Hope the valve can stand the heat, will test it out this week and get back with the results.

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Old 09-05-2009, 11:11 PM   #2
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You could use brass ball valves too, they are cheaper and work great. Sounds like you did a pretty good job creating a great mash tun. I personally don't think having the super hot wort running through those cheap plastic valves is going to be good for the long term, plus plastic can get yucky over time. Granted you're not worried about much bacteria at that point since it's all pre-boil. I think you'd be fine for a few batches but I'd probably look into another valve when the funds are there.

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Old 09-06-2009, 12:11 AM   #3
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Yeah, I was thinking about the temperature, after we got off the phone. I forgot to call you back. Like the guy above me said, you can probably get away with a cheap brass one for a few bucks and it will definitely outlast the plastic.

You figure by time you drain out, its probably only running in the 140s, maybe low 150s if you mashed high.

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Old 09-08-2009, 04:52 PM   #4
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Update. Did first 5 gallon batch today. Valve was fine, no leaking and no discernible problem with heat. Also single manifold was very effective and I didn't notice any difference from 2 channel manifold.

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Old 09-08-2009, 06:40 PM   #5
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Pictures?...

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Old 09-08-2009, 06:44 PM   #6
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I personally love my coleman xtreme mash tun, it works great!

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Old 09-08-2009, 07:22 PM   #7
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Quote:
Originally Posted by Orfy View Post
Pictures?...
It will probably quicker if I stop by my Dad's on the way home and take care of that for him...
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Old 09-08-2009, 07:52 PM   #8
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Are plastic spouts rated to withstand that type of temps? There might be a chance of plastic leeching into the wort.

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Old 09-08-2009, 11:23 PM   #9
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Quote:
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Are plastic spouts rated to withstand that type of temps? There might be a chance of plastic leeching into the wort.
Don't really know about temp rating. I don't think they were made for this purpose in mind. Will update post from time to time to let everyone know how it is holding up. As far as leeching, again I don't know. I imagine the valve is food grade since it is in a fermenting bucket and will be in contact with the fermentables for some period of time. I wonder though if the problem of leeching with plastic and brass is overstated. How hot is your 20 oz.coffee when you drink it out of a plastic lined cup, probably in contact longer than the draining wort from a mashtun. Also, think about this ( I never did before), what about the plastic walls inside of a cooler that is exposed to 140-150degrees of liquid for an hour to a hour and a half. The cooler wasn't manufactured for this purpose. I think this would present more of a concern then the valve. Maybe some can shed some light on this.
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Old 09-09-2009, 10:42 PM   #10
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Quote:
Originally Posted by janzik View Post
It will probably quicker if I stop by my Dad's on the way home and take care of that for him...
It would have probably been quicker if I drew the pictures
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