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    Y plan refilling problem (airlocking)

    Hi all - hope someone can help. I have a Y plan system that I have drained the CH to replace bathroom rad with towel warmer. When refilled I have bleed the rads and mid position valve then tested. The boiler (british gas 330) raises the temp quickly and shuts off but the pump remains...
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    ELV transformer connection

    New to this forum - any help appreciated. I have inherited four 12V 50W downlighters connected to 1 210VA transformer. The transformer has given up the ghost but looks reasonably new. It has 3 secondary outputs but there is only one cable feeding the 4 fittings. Do the outputs need linking...
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