You may also want to get a backup thermostat (I've always used one on my incubators - I would not go without). Any decent on/off thermostat will work for that, but the Hydrofarm is probably the most economical. Here's the link (posted to my blog so I don't have to look it up every time - yes I am lazy).

http://firestormreptiles.com/weblog/...log-Entry.html