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We have 147 questions about mending 'optima' in category Heating, Home Heating Systems
Optima boiler?
No Hot Water OPTIMA 701 gas combi boiler?
Optima 701 Diverter Valve?
Optima 701 Diverter?
boiler turns off and on?
Optima failing to fire up?
optima 701 pressure rises when heatings on drops when off?
high pressure when heatings on?
Why does the Hawk II Optima keep turning on central heating without request?