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We have 321 questions about mending 'optimax' in category Heating, Home Heating Systems
Have I got got a faulty programmer?
How do I work my Storad storage heater?
How can i mend my baxi combi 105a?
Remove boiler cover?
How to fix my fireplace?
British Gas 532/i Gas Combi Boiler?
Boiler cycle?
Siemens RDJ10RF thermostat problem?
Worcester boiler dripping water?
Reset my worcester dt10rf programmer?
Vaillant ecotec 831 plus?
Oil fired boiler thermostat?
Greenstar 25 combo boiler?
Morco gb 24?
Fan tries to run every 15 seconds then stops immediately?
Ideal Isar H30?
Worcester Bosch 532/i Combi Boiler?
Vaillant F22 fault?
BMU error code?
Thorn Harcal 460?
Worcester 30 Cadillac combi boiler won’t fire up and the EA?
Firebird super Q 50/82?
Greenstar 24Ri boiler, fast flashing - can I reset?
Power but not activating Baxi 105e boiler?
Remove cover off gas boiler?
Advice?
F40 fault?
How do i stop the time from flashing on the Siemens RDJ100RF?
Britony Combi Se boiler 40 & 80 lights flashing?
Greenstar Highflow 440?