Does anyone have a picture of the PB105 aquastat sensor? Recently I installed a PB105 and was missing various parts. Its 20 degrees outside and I want to run the PB105 but I don't think I have the aquastat sensor. It appears I have the cable that plugs directly under the hopper that should attach to the sensor in the well, but I don't have a sensor that sits in the well?? Can anyone help me out here? Should there actually be a thermocouple on the end or is it just that cable with the molded heat shrink on the end? I searched the forums but no one else seems to have had this question. Thanks for the help!