I installed my 3" Tell Tru therm between the grate and it doesn't register right in that location. 150* or so lower than actual grate temps. Thinking of moving it to the lid to try that out.
55 gallon smokin' UDS
BBQ Grillware vertical gas smoker
WSM with mods
ECB Deluxe (scrapped for parts for the UDS)
BBQ Grillware gas grill
Pro-Q Exel 20
High Desert BBQ