Y Plan - Mid Position Valve 'fault'?
channel plus xl model h37 timer showing 14.76 and none of the buttons are w?
How to remove the front cover of my Digistat 2RF receiver?
how can i get my stat to on?
how can i check my honeywell v4073a 3-way diverter valve?
Replace a wireless termostat with a hard wired one?
Honeywell ST7100 programmer goes blank when RUN selected?
digistat not working properly?
H9 and L9 errors?
is there a way to just simply turn the temperature up?
why has my wireless time clock stopped responding?
Fan running continuously?
How do I reprogram my ideal bolier rf thermostat receiver?
dmestic hot water near boiling point, howto adjust temperature?
tripping out?