Coleman Cooler Mash Lauter Tun Plug
thingiverse
This is a substitute drain plug for a Coleman Cooler so it can be used as a Mash Tun. The hole in my cooler was 25 mm in diameter with an insulation thickness of 30 mm. The hole in the cooler is at 45 degrees, so the interior side of this plug is angled and forked with a right/left branch. On the interior side connect braided tubing around the ports and crimp the opposite ends to form long hollow braided tubes. On the exterior side, this was designed to fit 3/8" siphoning tubing. Fusion360 file included so you can modify as needed.
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