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Hi, I've just replaced my old mechanical room thermostat with a new digital one. The wires coming out of the wall are coloured red, blue and yellow. I followed the guide (//www.diynot.com/wiki/electrics:how_to_replace_a_room_stat) but i'm now having a problem with the central...

Hello, We have a problem with the CH in our 5 year old Barratt house.....i've tried for weeks to track the problem down but i'm totally stuck now....i'd be grateful if anyone can help me out. The boiler is a 'Potterton Suprima 40' (with the temperature knob set to about 70%), the...