[[Image:Sonoff-TH16-back.jpg|400px|thumb|right|backside]]
* Use Sonoff 16TH
* '''before this works, need to have emergency/offline action when network not available, otherwise nothing will shut the fireplace down if network is unavailable'''
* Schematic here: [[:File:Sonoff_TH10A(16A)_schmatic.pdf]]
* Find 5V connection for USB power supply on the board