Welcome to the site.
This thread goes over pretty much everything, but here are a few pictures of the thermometer mounting as well
http://ball-pythons.net/forums/showt...With-Pictures!
The probe gets screwed to the floor of the cage directly over the flexwatt. You then drill a 3/8" hole for the cord to pass through
You drill another 3/8" hole on the back wall of the cool side for the cord to pass through, and install a screw for the thermometer to hang from
Finished Product
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