Temperature sensor HERMS build

Hi all

I'm looking to build a HERMS system as I enjoy a good Heffe. Initially I'm looking to make a cheap kettle with coil build to see how I get on.

I've been searching through the forum for advise on options, specifically to screw inline after kettle coil. I'll be using a PID to control kettle.

Can u advise a good sensor that can be screwed into a tee piece (with a reducer if necessary)?

Open to any advice.

Thanks
Chris


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using a 15mm brass compression T fitting you can use a 'soft red lid grommet' instead of an olive for a quick soft grip/seal on most probes you can use..

http://www.ebay.co.uk/itm/Home-Brew-Win ... SwA29Y3Cie
(not the cheapest option, just the first in the search ..)



alternitvly homebrewbuilder has 35mm probes with 1/2" or 3/8" threaded plugs, or ebay/aliexpress etc for far east bargains which may or may not prove any good. the cheap ebay probes pictured above in my herms return experiments are NOT worth a punt, some fell apart, all had SS probe sheafs but had mild steel? threaded fittings which were not sealed against the probe sheaf. so resulted in leaky fits and rust nuts the leaks were sorted with a smear of jbweld at the sheaf/thread joint easily enough but.... imho best to invest in a real class A or B pt100