24i fan keeps stopping poss bearing ?
Honeywell921?
The light on the heating is fading in and out on my lp112 control panel?
do i need a new dt20rf programmer?
channel plus xl model h37 timer showing 14.76 and none of the buttons are w?
tripping out?
How to remove the front cover of my Digistat 2RF receiver?
renewing batteries?
boss therm not working ?
Y Plan - Mid Position Valve 'fault'?
how can i check my honeywell v4073a 3-way diverter valve?
Mid position valve?
dmestic hot water near boiling point, howto adjust temperature?
Hot water but no central heating?
Can you get just a new RDJ10RF thermostat or does it have to be the set?
why has my wireless time clock stopped responding?
digistat not working properly?
Replace a wireless termostat with a hard wired one?