In theory yes
And yes but there no common terminal so there has to be a link inside you can test put live and neutral to the stat
Turn stat on eg you want heating / call you should get 240v on one of the terminals (with a...
Went to service a gas fire and the customer didn't have the MIs. Not a problem, I can try and look it up online, except that the data badge was so old and black, all the markings had gone. I couldn't tell if the fire was above or below...