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We have 146 questions about mending 'optima' in category Heating, Home Heating Systems
Have I got got a faulty programmer?
Greenstar 25 combo boiler?
BMU error code?
Boiler problem?
Power but not activating Baxi 105e boiler?
Replacement of elements?
Valor petrus 850 electric fire?
Ideal Isar H30?
Vaillant F22 fault?
Remeha Avanta plus?
Fan tries to run every 15 seconds then stops immediately?
Worcester Bosch 532/i Combi Boiler?
Boiler cycle?
Worcester boiler dripping water?
How can i mend my baxi combi 105a?
Thorn Harcal 460?
Canon caress 2000 gas fire?
Remove boiler cover?
Siemens RDJ10RF thermostat problem?
F40 fault?
Vaillant ecotec 831 plus?
How do I work my Storad storage heater?
Advice?
British Gas 532/i Gas Combi Boiler?
Reset my worcester dt10rf programmer?
Myson Touch?
Firebird super Q 50/82?
Morco gb 24?
Greenstar Highflow 440?
Britony Combi Se boiler 40 & 80 lights flashing?