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We have 321 questions about mending 'optimax' in category Heating, Home Heating Systems
No Hot Water OPTIMA 701 gas combi boiler?
boiler turns off and on?
Optima 701 Diverter?
high pressure when heatings on?
Why does the Hawk II Optima keep turning on central heating without request?
Optima failing to fire up?
Optima boiler?
optima 701 pressure rises when heatings on drops when off?
Optima 701 Diverter Valve?