Electric Radient Floor Automation

I'm looking for help on how to integrate a electric radiant floor installation into my current home automation system. The floor heating cables are connected to a thermostat that is 220 volt (includes ground and neutral). There is a in floor temperature probe which can determine the temperature based on OHMs.

My home automation system all Insteon with a Mac running Indigo.
 
I also have electric radiant heated floors, with plans to automate. The programmable NuHeat thermostats I've been using have worked OK so far. I think they're rebranded Aube thermostats.

Aube, and I'm sure others, make thermostats with dry contacts that are used to turn the t-stat on and off, though I'm not sure if the thermostat remains connected to the temp probe - I'm hoping it does.

Search Aube documents, and maybe contact Aube tech support. NuHeat was pretty worthless when I contacted them.

Please let me/us know what you end up with.
 
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