Blichmann Brewmometer features a Fahrenheit Scale and a 1/2" male NPT thread on the back for threading in to 1/2" female NPT ports and plumbing. The probe length is 3.25".
If you dont have a welded port in your pot you will need a weldless kit
BrewMometer™ - 1/2" NPT, Fixed Fahrenheit Scale
$26.99Price