Why has my Honeywell CM921 thermostat lost patches of its display?

channel plus xl model h37 timer showing 14.76 and none of the buttons are w?

Y Plan - Mid Position Valve 'fault'?

boss therm not working ?

can i fix it honeywell st1000 ?

is there a way to just simply turn the temperature up?

24i fan keeps stopping poss bearing ?

How do I reprogram my ideal bolier rf thermostat receiver?

Remote timer bps242rf how does it work ??? ?

How to remove the front cover of my Digistat 2RF receiver?

The light on the heating is fading in and out on my lp112 control panel?

Can you get just a new RDJ10RF thermostat or does it have to be the set?

how often do we change the3032 battery in a digistat +2rf?