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    Coventional boiler won't fire up - pilot ok.
    • #1
    • 4th Dec 06, 12:22 AM
    Coventional boiler won't fire up - pilot ok. 4th Dec 06 at 12:22 AM
    I have a Potterton Flamingo 50 boiler. Today it just stopped firing up, the pilot is fine. I reset it. The thermocouple for the pilot I replaced only a month ago so thats ok. It doesn't matter where I set the thermostat, which clicks as normal.

    This is where my knowledge is patchy, but I presume that theres another thermocouple connected to the boiler 'tank' body which senses when the gas valve should switch off. Question is - is this crucial for the valve to switch ON? Are these thermocouples a common fault in the same way they are for a pilot not lighting?

    What I am basically asking is should I replace the thermocouple for the valve before looking at a new valve, or am I totally off track here?

    Any help appreciated - its bloody cold in here!

    BTW: pump, timer control unit and room thermostats are ok, plus no hot water obviously
    Last edited by MiserlyMartin; 04-12-2006 at 12:26 AM.
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