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  1. Scott_D

    Glow worm energy.......

    Does anyone fit these? You don't hear much about them good or bad!
  2. KingDoey

    Glow worm Essential 28

    Hello Went today to commission the above boiler, which we installed a few weeks ago. Turn it on and the radiator symbol flashes as if it's calling for heat. Even with no demand. Hot water will not kick in. When you run hot tap the hot water symbol on the boiler does not even flash. There is...
  3. M

    obsolete Glow worm return pipe

    Hello I am looking for a boiler part that is obsolete : Return pipe part no S801048 for a Glow worm energy saving combi GC 2 80 47 047 13, model no 801091. British Gas have said they can’t fix my 80 year old mum’s boiler without it. I’ve discovered the boiler has been dripping for months...
  4. MrYates

    Glow worm Ultracom 30sxi expansion vessel replacement.

    After reading about problems and relating them to my situation it seemed that the expansion vessel could be faulty. I depressed the schrader valve inner. After a brief and insignificant exhalation, I gave it a pump. There was a gurgling bubbling noise from the EV. On re-testing for pressure...
  5. S

    Glow worm 24ci overflow pipe

    Hi, My glow worm boiler seems to be working as normal but I am getting a constant pouring of water outside from the overflow pipe, any ideas what I should check?
  6. T

    Glow Worm 30cx, can't get C/H to work and Rad symbol showing OFF

    Evening all First off a big hello from a sparky to all you fellow Plumbers/Gas Engineers out there. I'm not here to say who's better than who and I really do hope you will all show me mercy as I will admit even I have limitations, hence why I am here to ask for help. Basically, I have...
  7. daWilko

    Advice on Glow Worm boiler please

    Hi All, I'm new here but fairly active in Sparks Forum (@Last Plumber where are you?). I've recently moved and have a Glow Worm Flexicom 18hx. Heating is gravity fed, y plan, external pump, small loft tank for CH and large tank to feed taps and HW. It all works, but not very warm. The boiler...
  8. D

    3 bed bungalow, Glow worm 125 electronic combi , heating excellent, taps temp rubbish,

    Hi folks, I recently moved into this bungalow and am not at all happy with the boiler, which is situated in the garage. Every morning I have to run off 3/4 of a bucket of water before any hot water arrives and even then it's not very warm I have to boil a kettle to wash the dishes. Kitchen and...
  9. K

    GLOW WORM ULTRACOM 30 CXI - HEATING PROBLEMS

    I have just moved home and inherited the above boiler which it doesnt seem has been maintained or serviced. So far we have established that the boiler thermostat is not reacting to the boiler temperature. The boiler is heating up very quickly then gets to a high temp or about 72, the rads...
  10. J

    Glow worm 30ci F9 fault

    Burnt my head out this one! Internal filling loop, Soding out when try to fill. Fitted new one, couldn't get pressure above 0 bar f9 starts flashing. Checked on low water pressure sensor with multi, was saying that I've got 2.5 bar of pressure in system when check white and orange wires I...
  11. J

    Glow worm ultracom 30cxi Combi boiler Fault.

    Hi guys. Wondered if anyone could shed some light on this. I have an ongoing problem with my ultracom 30cxi that was fitted about 7 years ago. (Wish I’d bought a worcester). I lose water pressure when the hot taps run. The boiler dumps the lot through the pressure relief valve. The...
  12. N

    Glow worm Ultimate 120ff replacement recommendations, please

    Hi, My Glow worm Ultimate 120ff is dying - just started leaking from the heat exchanger, which I assume is terminal. I'm looking for a replacement regular boiler for my traditional, open-vented S plan installation, as 'like for like' as possible under current regs, with reliability and long...
  13. Chriswareham

    glow worm hideaway 70 cf

    hi i am having a problem with a glow worm 70 cf the pilot goes out after 20 mins running i have serviced and cleaned the boiler carried out smoke pellet test all ok i have changed the pilot assembly complete kit with new injector new thermocouple boiler is running at 11.3 hot burner pressure in...
  14. B

    glow worm energy

    how do I access installer level very little in installer manual unless I am being dense want to put it on min burn
  15. B

    Glow worm 60FF Micro - boiling noises with hot water only

    Hello gents, We have a Glow worm 60FF Micro - which makes boiling noises only when the hot water is on. My expertise is limited so please take it easy with technical info. The 60FF did make this noise about a month ago but it stopped after a few days. Any test I can do to find out...
  16. H

    Glow Worm betacom 24c hot water flow rate.

    I have glow worm 24c combi boiler. The hot water flow rate is next to nothing, at all outlets. Mains water pressure is good. One other problem was the rads getting hot when hot water only. Thinking this must be caused by the diverter valve not working correctly and that the dhw heat...
    • hestia
    • Thread
    • flow glow hot water water worm
    • Replies: 3
    • Forum: Bathroom Advice
  17. V

    glow worm hxi 30 boiler f9 fault code, what it means blown fuse on pcb main board

    glow worm hxi30 boiler f9 fault code. no low water pressure switch on this boiler.and blown fuse second on pcb (does tis mean board gone?) main board pump external to boiler. grundfos 25-80 slight history of job, arrived to fit dual fuel cooker gas hob electric oven. fitted connect l.N.E to...
  18. eagleeye

    Glow worm ultracom

    One of my guys installed a Glow worm ultracom 2 in a flat just over 2 years ago. Everything has been fine until last Friday when I get a call saying water was pouring out the bottom of boiler. Had one of my other guys go look at it and he said water had stopped but when he topped it up water...
  19. J

    Old glow worm boiler

    Hi i have an old floor standing cast iron gas boiler (glo worm) which provides our central heating. I think it has imperial nuts and bolts and it feeds a micro bore heating system. The boiler looks like it has finally given up the ghost! One of the heat exchangers has failed and started leaking...
  20. T

    glow worm betacom 30 diverter valve

    Got one of these with ch water tracing up the flow when the hw is in use, Iam I right in thinking changing the diaphragm on the diverter valve will solve this? or will the whole valve need to be replaced? thanks in advance guys & bah-humbug

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