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    Honeywell thermostat Hcw80 and HC60NG

    I have re set the HCW60 and the heating won't come on. the hot water is fine. when the boiler should fire up the green light omes on on the HC60NG, the boiler tries to fire, the HC60 makes a clicking sound and then shows a red light. the pump runs for a few minuts but the boiler doesn't fire up...
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