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Home Brew Forums > Home Brewing Beer > Equipment/Sanitation > A419 JC thermowell?
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Old 09-04-2012, 03:09 AM   #1
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Default A419 JC thermowell?

Does anyone know of a thermowell for a
6.5 gal carboy that will fit a johnson a419? Like this one:

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Old 09-04-2012, 11:23 PM   #2
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The one that you referenced says the inner diameter of the well is 1/4". I just measured the probe diameter on a A419 and it is just under 0.25" and about 0.254" where the wire is crimped at the end of the probe and the wire diameter is smaller. With a little tweaking, it might be able to be pushed into the well but their note says it's too large so maybe they tried and it didn't work.

You could probably rig one yourself with a piece of SS tubing with a slightly larger ID. This may be available in some hardware stores or McMaster-Carr. A diptube from a Corny keg might work, but I don't have one here to measure the ID. A stainless racking tube / cane from a homebrew shop may also work.... You may have to just start sticking your probe in things 'til you find a good fit! Good luck!
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