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  1. M

    Glow-Worm Fuelsaver MKII - Overheating

    Hi Tony we ended up going for a new boiler in the end, and with the last couple of winters it was the best decision we ever made :D As for the exact cause of the problem it may have been down to a poor connection in the controller which was causing the pumps to work in reverse, the new...
  2. M

    Glow-Worm Fuelsaver MKII - Overheating

    Thanks for the reply mickyg, i'll definitely try and look into all of these possibilities. I've done quite a bit of research into it and most of them seem to agree with your points. The problem seems very likely to be poor circulation in the system and the two most likely causes as you...
  3. M

    Glow-Worm Fuelsaver MKII - Overheating

    The header tank has got a good amount of water in it. I've been in the loft occasionally when the boiler has been on and only every now and again will a little splash of water come out of the pipe (there isnt a regular flow or trickle) - is this normal? The pump is operating at maximum speed...
  4. M

    Glow-Worm Fuelsaver MKII - Overheating

    Hi Mick, Yes the pipes are hot from boiler to pump and from pump to cylinder. Thanks
  5. M

    Glow-Worm Fuelsaver MKII - Overheating

    Hi all, This is my first post on these forums so please excuse me if I miss any important information. Our boiler (Glow-Worm Fuelsaver MKII) has been like this since we moved into our house back in October and I think its getting to the stage now where we need to finally find a fix or get...
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