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    Suprima 50 Gas Valve Problem? Help requested

    Hi all, about 6 months ago our Potterton Suprima 50 Boiler failed to ignite and went into lockout status. I performed a few checks which pointed me to the gas valve itself. I left it over night and 'tapped' the gas valve - et voila it burst back into life. Last week the same thing happened...
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    Please HELP diagnose Suprima 50L problem

    Thanks to some great advice on this forum I have changed the following parts : Suprima PCB (ebay job) OH Stat Thermistor Motorised 3-port Valve BUT.... I am still getting the 'lock-out' problem after the boiler has been in use for abour 30 mins or so. It is strange, it works perfectly...
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    Quick Question - Paste used to pack around a thermistor?

    Is this just the silver thermal paste you can buy from maplins for CPU's and Heatsinks? Cheers!
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    Suprima Overheating and Locking Out - Not PCB

    Hi all, Great forum, I have done many searches on my suprima problem. So far, I have replaced the PCB but it hasnt cured the problem. Basically my system works well for about 40 mins from cold but then locks-out. After pressing reset it re-ignites for about 5-10 mins and then does the same...
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