Well... I can't review it because I can't connect it to my controller. It's due to a ridiculous failure of quality control. The UIS cable won't fit in UIS plug at the heater. The plug is recessed, and both ends of the cable that came with the heater are too big to fit into it. The cables I already have will fit if plugged straight in, but the cable with the 90º bend won't. Of course, the controller can't take a cable with a bend. So, I can't get it to work. I could run it using its own separate sensor, but that's not how I expected to use it.
So, now it's time to contact
AC Infinity.