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    Boiler will not fire up for hot water

    I have a Potterton FF80 Fanned Balance Flue Gas Fired Boiler, about 10 years old. Although the boiler will fire up when Central Heating is called for, it will not fire up when Hot Water is called for. The Drayton ZA5/679-2 (22mm) two port Zone Valve opens but the bolier will not fire up. The...
  2. L

    Potterton FF80 Fanned Balance Flue Boiler not firing up

    I have a Potterton FF80 Fanned Balance Flue Gas Fired Boiler, about 10 years old. Although the boiler will fire up when hot water is called for, it will not fire up when Central heating is called for. I have changed the Electronic Controller, checked the Thermostat and tried a new programmer...
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