This stainless thermowell is perfect for inserting our Keg King Dual Controller probe into, and then inserting into a Vintage Shop or other plastic carboy that has a 1 7/8" diameter opening to monitor liquid temperature. The stainless probe is 14" long, and attached to a #10 stopper with an extra hole drilled for an airlock. Great for use with Brew Belt Heater or Brew Heater Pad. Also works with Ranco and Johnson Controls brand digital temperature probes. Does not work with the grey analog Johnson Controls large metallic capillary probe). This fits both 3, 5, and 6 gallon Vintage Shop and Better Bottle brand PET carboys. Made in USA.
Fits probes up to ¼" (6.5mm) in diameter.