Yeah, I know this reply is pretty late, but hey, better late than never.
http://www.littlegreenhouse.com/accessory/controls.shtml#1
I have the T110 AC thermostat. I think I actually got mine through Amazon.com or Ebay, but its the same model.
This works great. I use mine to power two 40watt incandescent bulbs, one each for two Satsuma mandarin trees I have. Whenever the temps fall to 30F or below, the lights are on.