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Mend Ferroli Optimax 800 Only Hot Water Heating

Can only get hot water when heating is on?

Temperature switch has been changed but can only get hot water when heating is switched on - any suggestions

Ferroli Optimax 800

Hamilton
December 2007

Ferroli Ferroli Optimax 800 Heating, Home Heating Systems Only Hot Water Heating

Sounds like the Diverter Valve needs replacing.

Vic Webber
March 2008

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Ferroli Optimax 800: Hot Water Only With Heating On