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We have 146 questions about mending 'optima' in category Heating, Home Heating Systems
how can i fix my ferolli optima 701?
how do i depressurise a ferrolli optima boiler?
Optima failing to fire up?
Trianco Optima Boiler Programmer Fault (QA73)?
optima 701 pressure rises when heatings on drops when off?
Big bang on ignition?
OPTIMA 701 Ferrori heating problem?
high pressure when heatings on?
how can i fix boiler?