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Home Brew Forums > Home Brewing Beer > Equipment/Sanitation > Thinking about drilling a hole in my new cooler...
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Old 02-27-2009, 03:50 PM   #1
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Default Thinking about drilling a hole in my new cooler...

...and, I'm not sure. I just got a 10 gallon round cooler for my mash tun, and I'm contemplating installing a weldless thermometer (Zymico). But the idea of drilling into that puppy makes me more than a little nervous. Does anyone have any experiences, ideas, suggestions they could share?


Thanks,

CB

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Old 02-27-2009, 03:54 PM   #2
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well the cooler will be mostly useless without some sort of hole in it. Have you looked at this forum before? Look in the DIY section. All cooler Mash Tuns (~99%, I'm sure someone is using a grain sac) have drain valve, temperature probes ect in them.

Suggestion: Drill the hole and buy the weldless kit here

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Old 02-27-2009, 04:07 PM   #3
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Quote:
Originally Posted by IrregularPulse View Post
well the cooler will be mostly useless without some sort of hole in it. Have you looked at this forum before? Look in the DIY section. All cooler Mash Tuns (~99%, I'm sure someone is using a grain sac) have drain valve, temperature probes ect in them.

Suggestion: Drill the hole and buy the weldless kit here
Yah, I've been looking around for advice. I know it has a hole in it already! I have a ball valve for it. But that doesn't involve drilling anything.
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Old 02-27-2009, 04:40 PM   #4
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I would not drill another hole in the cooler if you can help it. I just use a floating thermometer which I just leave in there. If I want to know the temp I just remove the lid real quick and do a temperature check with the floating thermometer or my quick read digital. Heck after using my Rubbermaid 10 round cooler for many batches now I only loose a few degrees over 60 minutes anyway no big deal.

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Old 02-27-2009, 04:57 PM   #5
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I'd be more apt to screw around with the lid, regarding a "stationary" probe. Something gets screwed up or leaks, you're better to have a leaky lid than a leaky bottom-of-your-mashtun.

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Old 02-27-2009, 05:41 PM   #6
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Yah, I'm with the both of you. A lot of folks around here seem nonchalant about drilling into that cooler, and, I dunno, it seems wrong. I have a drilled stainless steel kettle for a dump valve and a thermometer, but I let Northern Brewer do that.

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Old 02-27-2009, 05:43 PM   #7
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I would suggest that the outer hole be big enough so that the weldless fitting sits against the inner wall. It would be darn near impossible IMO to tighten the fitting without crushing the insulation.

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Old 02-27-2009, 05:47 PM   #8
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If you're looking to install the ball valve, you can drill out a hole with the appropriate-size holesaw and then insert a piece of PVC pipe the same length as the width of the cooler wall and glue it in place with some silicone. Then when you tighten the ball valve assembly the cooler wall won't give and you'll get a good watertight seal. I read that idea somewhere on this forum and it works like a champ! Note: you need to make the hole in the outer wall slightly larger than the hole in the inner wall so the PVC has something to rest on/press against.

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Old 02-27-2009, 06:01 PM   #9
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Quote:
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If you're looking to install the ball valve, you can drill out a hole with the appropriate-size holesaw and then insert a piece of PVC pipe the same length as the width of the cooler wall and glue it in place with some silicone. Then when you tighten the ball valve assembly the cooler wall won't give and you'll get a good watertight seal. I read that idea somewhere on this forum and it works like a champ! Note: you need to make the hole in the outer wall slightly larger than the hole in the inner wall so the PVC has something to rest on/press against.
I thought to install the ball valve, you just pop out the spigot and install the valve there.
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Old 02-27-2009, 06:11 PM   #10
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IMHO, a temp gauge on the MLT is not necessary. Just take the temp after your mash in and stir well. Then close it up and forget about it, figuring on 1 degree change in one hour. Unless you plan on doing multi-step mashes, electric MLT, etc. I wouldn't even worry about it.

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