Sonoff (tasmota) RF Bridge to item file

Yes but not the way you think:

So try:

rule "Button Pressed"
when
    Sonoff_Button received update // Need received update if Data has not changed but button still pressed
then
    Thread::sleep(100) // Need the sleep to allow for the state to change
    if (Sonoff_Button.state == "6A8CD2") {
        if (Pow1.state == ON || Pow1.state == NULL) { Pow1.sendCommand(OFF) }
        else { Pow1.sendCommand(ON) }
    }
end

Can you publish YOUR rule as it is. Because it should work now