channel plus xl model h37 timer showing 14.76 and none of the buttons are w?
H9 and L9 errors?
boss therm not working ?
Replace a wireless termostat with a hard wired one?
Y Plan - Mid Position Valve 'fault'?
how can i check my honeywell v4073a 3-way diverter valve?
Hot water but no central heating?
Fan running continuously?
Honeywell ST7100 programmer goes blank when RUN selected?
how often do we change the3032 battery in a digistat +2rf?
can i fix it honeywell st1000 ?
tripping out?
The light on the heating is fading in and out on my lp112 control panel?
How do I reprogram my ideal bolier rf thermostat receiver?
Can you get just a new RDJ10RF thermostat or does it have to be the set?