Hi, I have exactly the same problem. Like Domotics is just ignoring the sensor.

So I used RFXmngr to test, and the sensor is working when Rubicson is enabled.
I am using RFXCOM RFX433E
Firmware version = 1022
Firmware Type = Ext2


Packettype = TEMP_HUM
subtype = TH14 - Alecto WS3500,WS4500 ...