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Home Brew Forums > Home Brewing Beer > Equipment/Sanitation > Johnson Temperature Probe as an immersion thermomiter
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Old 02-27-2013, 01:41 AM   #1
cangelica
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Default Johnson Temperature Probe as an immersion thermomiter

I have a digital Johnson control I use for my lagering fridge but I'd like to use it as an immersion thermometer as a way of more accurately controlling the beer temperature. Anyone know if that probe is waterproof and/or food grade safe on the housing and probe?

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Old 02-27-2013, 05:19 AM   #2
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Just buy a thermoworks for $15, rather than risking your expensive Johnson control probe.

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Old 02-27-2013, 04:02 PM   #3
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Are you asking about inserting the probe into your fermenting vessel in order to get an accurate reading of the wort temp? If so, you'll need a thermowell in a stopper which allows you to insert the probe into the beer without it actually getting wet.

http://morebeer.com/products/stopper-thermowell.html

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Old 02-27-2013, 04:56 PM   #4
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Thank you for the response guys, I rally appreciate it. the thermowell is what I am looking for. Unfortunately it wont accept the Johnson probe but I'll dig around. Thanks again!

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Old 02-27-2013, 05:33 PM   #5
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I had the same problem, just forgot about that issue as it's been a while. I never found a thermowell that would fit the johnson probe, so instead I got a replacement probe and rewired. I'll see if I can dig up the replacement part.

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