do i need a new dt20rf programmer?
24i fan keeps stopping poss bearing ?
Y Plan - Mid Position Valve 'fault'?
digistat not working properly?
how can i check my honeywell v4073a 3-way diverter valve?
can i fix it honeywell st1000 ?
Can you get just a new RDJ10RF thermostat or does it have to be the set?
Honeywell ST7100 programmer goes blank when RUN selected?
how often do we change the3032 battery in a digistat +2rf?
why has my wireless time clock stopped responding?
channel plus xl model h37 timer showing 14.76 and none of the buttons are w?
how can i get my stat to on?
dmestic hot water near boiling point, howto adjust temperature?
The light on the heating is fading in and out on my lp112 control panel?
Mid position valve?