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    Glow worm 30cxi - hot then cold water

    Thanks Chris. The boiler was installed almost exactly 5 years ago. We've been quoted £50 per rad for a flush, but given we've got 15 rads in the house, that could get quite pricey!! And if we need a new DV on top of that, that will be over a grand in total. May be worth just ditching it and...
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    Glow worm 30cxi - hot then cold water

    Hi everyone, I've got a problem with my glow worm boiler (similar to other people on here it seems :| ) The hot water will run for a couple of minutes, then go cold for a minute, then hot again, so on, so forth. Strangely the radiators seem to come on at the same time, even when the...
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