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Building a Coleman Xtreme mashtun, advice?

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anje:
I'm planning on going all-grain in the near future. Planning on sacrificing a Coleman Xtreme cooler that I've had for about the last 10 years. Still works great, but doesn't get much use camping anymore because we rarely use something so big since discovering dried food.  Not quite sure what the size is off-hand, but I'm going to estimate it's a bit over 10 gallons, and I'll have to mark depths inside soon enough. It's silver, so I'll have to live with the reduced efficiency until I get blue paint, I suppose.  ;)

I'm looking at bulkhead kits at Weldlessfittings and Bargainfittings, but it looks like they're all for spigot holes that are 7/8" or smaller. The hole in my cooler is a full inch in diameter, and the wall is 3/4" thick.  Any recommendations for a cooler with a larger hole like this?

Alternatively, I've read of people inserting 3/8" vinyl tubing right through the spigot on these coolers. That seems like a viable option, but the tubing slides in pretty easily. Does it really not leak with a bunch of hot liquor or mash sitting on it? I'd love such a simple solution, if it's really viable.

narvin:
I've used the Northern Brewer bulkhead kit for all of my Coleman mash tuns, and they fit fine.

http://www.northernbrewer.com/shop/xl-cooler-bulkhead.html

This is the XL version, which I needed for my 120 quart cooler.  The 64 quart version only needed the regular one, which I assume would fit yours.

 http://www.northernbrewer.com/shop/cooler-bulkhead.html

sparkleberry:
this is how I built mine. works splendidly.

http://brewing.lustreking.com/gear/mashtun.html

cheers.

tygo:

--- Quote from: sparkleberry on January 05, 2013, 05:32:42 PM ---this is how I built mine. works splendidly.

http://brewing.lustreking.com/gear/mashtun.html

cheers.

--- End quote ---

Same here.

hokerer:

--- Quote from: anje on January 05, 2013, 04:16:29 PM ---I'm looking at bulkhead kits at Weldlessfittings and Bargainfittings, but it looks like they're all for spigot holes that are 7/8" or smaller. The hole in my cooler is a full inch in diameter, and the wall is 3/4" thick.  Any recommendations for a cooler with a larger hole like this?

Alternatively, I've read of people inserting 3/8" vinyl tubing right through the spigot on these coolers. That seems like a viable option, but the tubing slides in pretty easily. Does it really not leak with a bunch of hot liquor or mash sitting on it? I'd love such a simple solution, if it's really viable.

--- End quote ---

I've actually done it both ways.  I started with a 36-qt Xtreme and just pushed the tubing through the spigot.  I didn't entirely trust it to seal so I added some aquarium sealant and it worked fine with no leaks for years.  Later, I upgraded to a 52-qt Xtreme and for that, I went ahead with the the stainless bulkhead thing from Northern Brewer.  It too works fine.  So basically, both ways work.

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