Home Brew Forums > Home Brewing Beer > DIY Projects > Kettles, Mash Tuns, & Hot Liquor Tanks > DIY Mashtun Thermowell - easy and cheap
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Old 04-17-2012, 07:19 PM   #51
nduetime
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Well I already have something very similar to the one you linked. However, my probe won't reach but 2-3" into the bed. My concern is that it might be more accurate if it were embeded more into the bed than that. Wouldn't the thermowell act more like an extension for the probe/thermometer providing a more consistent reading over the whole grain bed, provided it was long enough?


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Old 10-03-2012, 03:20 AM   #52
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Old 01-29-2013, 02:50 AM   #53
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This is exactly what I have been looking for. The brass compression coupling was the solution I needed. I had been planning to use a chrome water supply line. I like the copper better... a little easier to work with.
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Old 05-09-2013, 06:57 PM   #54
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I put this thing together last week then brewed over the weekend. I had a digital candy thermometer that slid in perfect. This thing worked amazing. Thanks for the write up.
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Old 05-10-2013, 09:33 AM   #55
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Duda diesel has a stainless6 or 7 inch well with 1/2 pipe thread for like 16 bucks on Ebay. I got one in about 4 days and it is excellent workmanship. Even came with a cable clamp to secure the TC cable when you slid it to the bottom. I'm very satisfied with it. No copper or brass in my brew!!! Just sayin...

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Old 05-10-2013, 12:27 PM   #56
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Wheelchair Bob,Can you post a link to the well you are describing?
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Old 05-10-2013, 01:08 PM   #57
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Quote:
Originally Posted by rodduley View Post
Wheelchair Bob,Can you post a link to the well you are describing?
Well, I'm not Wheelchair Bob, but the link is http://www.dudadiesel.com/choose_item.php?id=pipesert.
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Old 05-11-2013, 02:07 PM   #58
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Quote:
Originally Posted by rodduley View Post
Wheelchair Bob,Can you post a link to the well you are describing?
Sure here ya go. I bought one last week to use in my ale pail and I just drilled a hole, installed a grommet and slid it in with keg lube. Works perfectly and holds my wort at 18 Degrees C with the STS-1000 controller and a 2 dollar K type TC.. Heres the link:

http://www.dudadiesel.com/search.php?query=thermowell

Hope this helps, it's all stainless and very well constructed.

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Old 06-06-2014, 03:48 PM   #59
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I used this design in my cooler. The only difference being I placed the thermowell below my false bottom. During its first brew day I found the temp readings to be about 20 degrees below where they should be. Anybody know why? Do I need to move it up to the center?
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Old 03-04-2015, 04:23 PM   #60
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what i did was the same as the original idea you had, crimp de copper tubing to seal it, but instead of adding a compression or flare fitting i just added a silicon hose (about 1") to use as a bypass to a hose barb fitting and you can just add tha washer silicone o-ring to seal from outside the mash tun. And that gives you the versatility to take the copper tubing on and off becuase itīs attached with the silicone hose. Easy for cleaning etc. Hope this might work for you guys Cheers!


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