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Old 04-27-2010, 12:25 PM   #21
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A little update: the clamps I bought came with Teflon and rubber gaskets. I tried the Teflon, since they have the highest temp rating, but they're rock hard plastic. They didn't make a good seal. I guess if I were to put a wrench on the tri-clamp and really gorilla it down it might seal, but I don't think I want to do that.

I switched to the rubber and they seal nice and tight now. I pressurized the whole thing with 90PSI from my compressor and didn't see a single bubble. I dropped it into 15 gallons of water and will check on it tomorrow for any liquid inside.

-Joe


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Old 04-27-2010, 09:58 PM   #22
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I've been using the silicone gaskets with no problems.

Mike


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Old 02-20-2011, 12:43 PM   #23
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Are the tri-clamps 1.5" or 2"?
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Old 02-20-2011, 12:47 PM   #24
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They are 2".

-Joe
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Old 02-20-2011, 01:01 PM   #25
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Thanks. Do you think 1.5" would be big enough? Now that it's been a while since you built this, how is it working? Would you change anything?
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Old 02-20-2011, 01:18 PM   #26
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No, 2" is barely big enough as it is.

It's working great! It easily brings 12 gallons to a hard boil. The only thing that I changed is the fitting that the element actually threads into. The threaded end cap didn't fit well, so I replaced it with a 1" NPT half-coupler welded into the end cap.

-Joe
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Old 02-20-2011, 01:42 PM   #27
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Joe,
Thanks for your replies, I am looking to build one of these soon. Did you stick with the 1/2" vertical copper pipe and how did you seal it up and make some sort of isulating handle at the top end of the pipe where the wire comes out? Were you able to attach a ground wire somewhere?
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Old 02-20-2011, 02:34 PM   #28
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I'm pretty sure I read elsewhere that you did eventually have a leak. We make a big deal about gfci here, but this is one of those areas where it's an absolute must because all the connections are actually submerged. So what gasket did you eventually go with? I've seen those tufsteel gaskets that are supposed to be immune to "cold flow" (shifting) and they're a lot more expensive, but probably worth it.
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Old 03-02-2011, 09:05 PM   #29
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I did have a leak, yes. The soft rubber gasket from the element squished and wouldn't hold water. I ended up replacing it with a hard rubber one from Home Depot. 4 batches on it so far and holding strong.

And yes, GFCI is not optional for an electric rig. Mandatory.

I did stick with the copper pipe. There's a plastic junction box that acts as a convenient handle. I may insulate more of the copper one day, but haven't gotten around to it.



Pictures and info going forward will be in my electric brewery thread.

-Joe
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Old 03-03-2011, 05:03 PM   #30
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Which gasket did you get at Home Depot?

Quote:
Originally Posted by nostalgia View Post
I did have a leak, yes. The soft rubber gasket from the element squished and wouldn't hold water. I ended up replacing it with a hard rubber one from Home Depot. 4 batches on it so far and holding strong.

And yes, GFCI is not optional for an electric rig. Mandatory.

I did stick with the copper pipe. There's a plastic junction box that acts as a convenient handle. I may insulate more of the copper one day, but haven't gotten around to it.



Pictures and info going forward will be in my electric brewery thread.

-Joe


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