When you get a power cut you have to dampen the stove down and life the lids to let the heat out and there is on other way of doing it unless you have a generator. I don't think you have had many power cuts and I don't know which regulations you are talking about There is none like that in the UK
We have a multi fuel stove which does the central heating. Which at night if we are not careful will overheat. I wish to put a reverse acting thermostat near the stove to prevent the water boiling over. We have a thermostat which controls the central heating pump. The thermostat is turned down...