Fits 3/16" stem thermometers
Drill a 3/8" hole through kettle wall, oversize the hole slightly if necessary
Insert nipple through the hole in kettle, place o-ring and washer against kettle wall
Screw base of brass fitting against kettle while holding coupling inside with pliers. Tighten until snug.
Slip thermometer (not included) through outside of brass fitting and through small washer and o-rings. Omit small washer if stem is larger than 3/16".
Thread thermometer stem (not included) through nipple and hand tighten fitting