Gas Fireplace Rheostat Replacement

I have a gas fireplace with an old analog rheostat switch to control motor speed. I would like to replace the rheostat switch with a z-wave switch. I have power in the box and two wires coming from the motor. My blower motor is as follows:

I am looking at the GE 12730 Z-Wave Smart Fan Control to do the control.

To the community, what other smart fan control switches have people used on their gas fireplace?