I just got two Thermometers (dial with 4" stem) and will probably go weldless to mount them into my Keggles (Mash and Sparge). The question I have is what are the pros and cons of adding a thermowell to them.
Good question. I can't really see an advantage to going with a thermowell unless the stems are made from some nasty material that you don't want in direct contact with your brew. This is obviously not the case, so keep it simple and use a compression fitting with o-rings in place of the metal ferrule...
At least that is what I would do if the stem is a standard size and you can find a compression fitting that it will work with.
I would use a thermowell if I was going to be putting a probe with wires in a vessel. I have a liquid tight thermocouple in my HLT, and it would be nice to be able to remove the probe without creating a drain hole. For a stainless steel dial thermometer, I don't see why you need one.
Used to have a probe in my mash tun but have since removed it. I was getting sick and tired of banging it with the mash paddle. I find it much easier to just stick in my thermometer and take a reading.
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