Stopper Thermowell (#6.5) - 15 in.

• Achieve Precision: Use this carboy thermowell with Digital Controllers FE601A, FE610A, or FE602 to keep your beer or wine within one degree of the set - point during fermentation. • Versatile Fit: Designed to fit 3, 5, 6, or 6.5 - gallon glass carboys or any similarly sized opening. The #6.5 stopper also fits our sanitary filter FIL90. • Wide Compatibility: Works with new 2016 Rancos. Ideal for accurate liquid temperature monitoring and control in any container with the right stopper opening. Note: Won't work with Johnson Temperature Controllers (FE600 or FE611) as probes are too large. Inner Diameter of Thermowell: .255'.

This stopper thermowell is great for homebrewers and winemakers who want to precisely control the temperature during fermentation. It's especially useful at the start of fermentation when there can be a big difference between fridge temperature and carboy temperature. The unit comes with a 15 - inch stainless - steel thermowell and a #6.5 stopper. It fits 3, 5, 6, or 6.5 - gallon glass carboys and other similarly sized containers. The thermowell has an inner diameter of .255' and works well with new 2016 Rancos, but not with Johnson Temperature Controllers FE600 or FE611.