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I have fitted a 3rd generation learning thermostat in our village hall which has numerous users during the day.I have locked the thermostat with a pin and set a temperature range. When there are no users in the hall I have found that it is still poss...

My 3rd generation learning thermostat is in our village hall which has many users. I locked the thermostat with a pin, however, outside of scheduled times of operation it is possible to bring on the heating by just turning the outside of the thermost...