Originally Posted by Carbon
Or you can use a long stemmed pull-thru thermometer. Install a small brass nipple fitting with a hole the same size as the stem. The thermo will insert straight across and stay level.
Here I have a 12" turkey fryer thermo inserted in my UDS. I know I've posted this pic in this mega-thread about 2 years ago.
The turkey thermometer is a little slow to show a temp spike. I like to use a $16 Wal-Mart digital.