M4A-GA (Floor Heating or Water/Gas Boiler) Thermostat Support

[g6094199]

Labeled: M4A-GA or M4AGA-B

-B respectivly -GA seems to be the version. In my case GA: Water heating

other versions:
GB: Electric heating
GC: GAs boiler heating

i opened an issue @Tasmota and i will post all the info i will find on this over there.

[Vlad Ioan]

This looks similar to mine:
#318