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Old 02-01-2011, 07:54 PM   #1451
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FYI my cooler conversion kit from Bargainfittings.com had a welded on washer that leaked.

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Old 02-01-2011, 08:00 PM   #1452
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Quote:
Originally Posted by AussieBrewerInColorado View Post
FYI my cooler conversion kit from Bargainfittings.com had a welded on washer that leaked.
Yeah, their site doesn't suggest that one anymore for round coolers.
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Old 02-01-2011, 10:36 PM   #1453
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I've made cpvc manifolds for both a 5 gallon and 10 gallon rubbermaid cooler. For the 10 gallon you need 4 one-half inch 90 degree elbows, 9 one-half inch tees, 1 one-half inch 45 degree elbow, about 5 feet of 1/2 inch pipe, and one barbed to male NPT threaded adapters.

Connect 2 of the 90 degree elbows and 4 tees together. There are no gaps between the fittings - you'll use approx. 1'' sections of straight pipe to make the connections. Make 2 of these. Set them on the bottom of your cooler paralell to each other spaced as far apart as possible. Measure and cut 6 sections of straight pipe for the cross members of your manifold. You want their length to be long enough that when you place the completed manifold on the bottom of your cooler its a "friction fit" and won't fall out if you turn the cooler upside down.

Once the basic manifold is complete, cut a section out of one of the "inner" cross members and fit your last tee. The 45 degree elbow and barbed to male NPT fitting attach to this tee, and a short section of braided vinyl tubing is used to connect the manifold to the outlet of the cooler.

Shoot me a PM if you want pictures of my manifold.
I used high temp silicone tubing from midwest supplies. The braided "high temp" tubing I got at the hardware store got hard after the first brew. The inside of the MLT doesn't require high pressure line.
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Old 02-05-2011, 02:48 PM   #1454
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I used high temp silicone tubing from midwest supplies. The braided "high temp" tubing I got at the hardware store got hard after the first brew. The inside of the MLT doesn't require high pressure line.
We're probably better off not having a rigid high temp tube on the inside. That way, if you hot it with your mash paddle, the line will flex and not pop off.
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Old 02-05-2011, 11:38 PM   #1455
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this was a great idea that you made. I just bought all the parts and am looking to put it together for my next all grain oberon clone recipe. glad you posted it.

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Old 02-06-2011, 06:45 PM   #1456
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Just built a 5 gallon mash tun thanks to these great directions!

Advice to future builders: make sure you put the rubber seal from the cooler back in the right way. If you put it in backwards, it will leak. Trust me!

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Old 02-06-2011, 09:13 PM   #1457
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I just built my first 5 gal MLT!

Thanks for all the great info!

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Old 02-11-2011, 01:26 AM   #1458
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hey Flyguy thanks just finished mine and of course did a batch right away. Worked great. thanks again

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Old 02-14-2011, 11:19 PM   #1459
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Default Thanks again

What a great set up. after a trial run with just hot water i was able to fix my leaky gasket and determine how much temp loss I would encounter. Brewed a batch today and all was well. Thanks for the idea.

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Old 02-15-2011, 03:31 AM   #1460
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do you use the braided hose instead of the false bottom?

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