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Old 02-25-2011, 06:00 PM   #1
Bitterbrush
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Default Copper manifold for 10 gal Rubbermaid cooler

I have had a few requests for instructions on how to make the manifold for my Rubbermaid cooler from Home Depot, so here you go. This type of manifold has been shown here before so I can't take credit for the original design. This works really good for me, never have had a stuck sparge with batch sparging. I'm sure it would work equally as well fly sparging also.

I soldered the sides and center of this thing together so there wouldn't be so many pieces to take apart when cleaning, it's very easy to clean. The center T is soldered at an angle up so the tubing can attach to the bulkhead hose barb. The slits are 1/4" apart. I just clamped the tubing gently in my bench vise and left about half of it sticking up out of the vise jaws, then using a 32t hacksaw blade I just went at all the 1/4" marks made on the tubing. Just don't squeeze it to tight or you will have egg shaped tubing.

My bulkhead fitting has a 1/2" stainless nipple going through the cooler wall so I just attached the female npt x hose barb to the back of it. Everything was bought at Lowes except the bulkhead assembly and the silcone tubing. The bulkhead and tubing I got from Bargainfittings.com

Materials list:

2- 7 7/8" 1/2" type M cu pipe
6- 3 9/16"
4- 90's
3- T's
1- 1/2" female NPT x 1/2" male cu adapter
1- 1/2" male NPT x 1/2" hose barb brass
1- 1/2" female NPT x 1/2" hose barb brass
1- 1/2" ID silicone tubing x 3"






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Old 02-26-2011, 04:07 AM   #2
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Bitterbrush - thanks for posting. I'll do the same with my 10G Rubbermaid tun.

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Old 05-15-2011, 12:02 AM   #3
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thanks for posting. Will be soldering next weekend on this. Just purchased two HD rubbermaid coolers and really liked the manifold design.

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Old 05-15-2011, 12:16 AM   #4
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Looks good. Nice write up and illustration.

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Old 05-18-2011, 11:36 PM   #5
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How do you keep the silicone tubing on the barb when you are mixing in grains/stirring?

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Old 05-20-2011, 07:34 AM   #6
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Quote:
Originally Posted by corwin6654 View Post
How do you keep the silicone tubing on the barb when you are mixing in grains/stirring?
The tubing is tight on the barbs, never had it come off. It can't move because the manifold can't pull away as it fits tight in the bottom of the cooler.
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Old 05-20-2011, 01:25 PM   #7
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I did that same basic design in my rectangular cooler and love it. I used the more rigid thermoplastic tubing and it allows the manifold to lift up to be cleaned. I have a 5 Gallon drink cooler that I want to use for half-batches and I may do this same thing.

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Old 05-22-2011, 10:42 PM   #8
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How much leftover wort do you typically have in the bottom after mashout? Or does it suck the wort pretty dry in there? I always have a decent amount leftover with my stainless braid.

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Old 05-22-2011, 11:14 PM   #9
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Quote:
Originally Posted by milesvdustin
How much leftover wort do you typically have in the bottom after mashout? Or does it suck the wort pretty dry in there? I always have a decent amount leftover with my stainless braid.
Less than a pint was left. Its probably more like a cup, I never did pour it out and measure it.
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Old 05-22-2011, 11:33 PM   #10
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Excellent, thanks! I am going to build this when I get back from training in Virginia. Would one of these work well with a RIMS setup?

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