Spike's 1.5" TC thermometer will connect directly to the 1.5" port on your Flex. There is no need for a thermowell which allows for quicker more accurate temp readings.
**A 1.5" gasket and clamp will need to be purchased separately if you do not already have spares**
Specs:
-1.5" TC connection
-3" dial
-304SS
-2.5" stem length
-Hermetically sealed
-Calibration adjustment screw