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Protherm Puma Condens Combi Boiler F89 Error
I bought a DemirDöküm Protherm combi boiler about a month ago. After a mere two weeks, the dreaded F89 heat pump error r...eared its ugly head. We've been patiently awaiting a part replacement for approximately two weeks now. According to them, the part is currently unavailable and they cannot provide