Skytech Smart Stat II/III Fireplace Remote Control for Heat-N-Glo Original Skytech Remote. No Generics. Batteries and wall holder are included Fireplace Remote Control Smart Stat II/III. Please note that Smart Stat II and III are the same units and there is no difference between the two. This Skytech Smart Stat II/III fireplace remote control system was developed to provide a safe, reliable, and user-friendly remote control system for gas heating appliances. The system can be operated thermostatically or manually from the transmitter. The system operates on radio frequencies (RF) within a 20' range using non-directional signals. The system operates one of 1,048,567 security codes that are programmed into the transmitter at the factory; the remote receiver's code must be matched to that of the transmitter prior to initial use.