I have a boiler on the top floor of our house, a digital clock in the utility which is programmed to set the heating and water to come on at different times of the day and a simple dial room thermostat attached to the wall in the hallway.
Currently we have the clock set to have the heating on permanently and use the hallway room dial to control the temperature. When we're in the house we spin the dial to 21deg., when we go to bed we spin it to 18deg., when we wake up we go downstairs and spin it back to 21deg. and when we go out to work we drop it to 16deg. etc etc
If I replace the simple dial thermosta with a programable one wher does it connect? I've seen wireless ones that connect to the 'boiler' - does this mean it connects to the clock or the boiler directly?