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We have 146 questions about mending 'optima' in category Heating, Home Heating Systems
high pressure when heatings on?
optima 701 pressure rises when heatings on drops when off?
OPTIMA 701 Ferrori heating problem?
how can i fix boiler?
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)?
Big bang on ignition?