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    Central Heating Airlock???

    Hi I wonder if I have an airlock in my central heating. The system is based around a Potterton Puma combi boiler. I fitted a number of replacement TRVs a couple of month ago bled the radiators and all worked fine until about a week ago. Now I can only get one or two radiators to heat up and...
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    Potterton Puma 100 diverter valve??

    Hi all Read every thread about Potterton Puma diverter valves and still confused! Puma 100 permanent pilot CH working fine, fires up morning and evening and all rads start to warm within minutes. Turn on DHW and can run as much as I want, completely filling a bath, turn off hot water and...
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