I installed this product (TH115-AF-120GA) as well as the heating pads myself. I had a couple of questions with the wording of the installation instructions that opened up interpretation issues, but the 24/7 technical support were wonderful to work with and answered all my questions. The control works well at maintaining room temperature the only improvement I would make would be to have an air temp display option added when the unit is in either floor (F) or Air Floor Mode (AF). Currently the only way to show air temp is to disconnect the floor sensor probe and enable AIR mode (A) which effects the efficiently of the unit. Note: Make sure that when installing the system you install the floor sensor probe under the pad otherwise the before mentioned functionally will be limited to AIR mode (A) only.
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