Y Plan - Mid Position Valve 'fault'?
Hot water but no central heating?
is there a way to just simply turn the temperature up?
How to remove the front cover of my Digistat 2RF receiver?
renewing batteries?
Replace a wireless termostat with a hard wired one?
dmestic hot water near boiling point, howto adjust temperature?
24i fan keeps stopping poss bearing ?
how can i get my stat to on?
Remote timer bps242rf how does it work ??? ?
H9 and L9 errors?
The light on the heating is fading in and out on my lp112 control panel?
Mid position valve?
Honeywell ST7100 programmer goes blank when RUN selected?
Converting to Y Plan system?