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Ideal Classic no heating but have hot water?
Hot water but no central heating?
isar he30?
Converting to Y Plan system?
dmestic hot water near boiling point, howto adjust temperature?
heating, Oil boiler not running?
why has my wireless time clock stopped responding?
Honeywell ST7100 programmer goes blank when RUN selected?
Replacing LP112 Programmer?
Mid position valve?
can i fix it honeywell st1000 ?
How do I reprogram my ideal bolier rf thermostat receiver?