The 2 cables together have a white line running along them, I fitted one the other day and the white line was the neutral, can't guarantee it is the same here but I would think it was likely. Although in extra low voltage cable power supplies it seems the the white line is the positive. I would...
Bit poor imo, they let cowboys in all the time! Sounds like you know what you're doing, just a slip up under pressure, and not really your fault, no one in any harm, wouldn't worry about the comments on here a lot of these people ARE perfect.
Haven't tried it with heating so not sure, but would think it would be fine, as with any other transmitters I've used I have had them working more than 1 receiver, it's just giving a signal so if it is programmed to accept it then it should work, will be interested to see if anyone has done it...
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc