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Mend Ferroli Optima 901 C Boiler Heating

ferroli optima 901 c/heating problem?

heating will not come on but hot water ok. pump runs. boiler fires up when stone cold for c/h eventually but will not respond to room thermo or boiler controls. when connector to dhw sensor is wiggled boiler fires momentarilly but same does not happen when ch sensor is given same treatment

dougm
November 2013
FerroliFerroli Optima 901 CHeating, Home Heating SystemsBoiler Heating Ferroli
Change diverter motor ,to check take motor out press pin the heating side will come on

ltd
November 2013

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Free repair help for Ferroli Optima 901 C home heating systems