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  1. L

    Choosing the right Glow Worm boiler for you

    Glow Worm have a relatively new 'find a boiler' section on their website. https://glow-wormclubenergy.co.uk/FindABoiler?q=0
  2. L

    Find a Glow Worm Boiler Installer

    Find a Glow Worm Boiler Installer https://www.glow-worm.co.uk/homeowner/find-an-installer/ I love it when the manufacturers help their installers out like this. Not all manufacturers seem to do it.
  3. Dan

    Welcome to the new Glow Worm Boiler Forums

    Welcome to the new Glow Worm Boiler Forums. Post a new thread or question in this forum if you have any questions about Glow Worm boilers.
  4. G

    Glow worm ultracom 30cxi ignition problem

    Hi, I am new to the forum and as a new home owner have a rather basic understanding of central heating systems! We have a main house and separate annexe which are supplied by two separate thermostats (Drayton digistat 2) which both run off the glow worm boiler. Without warning our heating did...
  5. C

    Has anyone fitted/ used/ replaced a Glow worm MiGo controller?

    I am looking to fit a remote controller for a customer who lives alone and works away a lot with a Glow worm boiler. I was looking at the Hive controller but see that Glow worm do their own version called MiGo. Has anyone had any experiences of this system - good or bad?
  6. phil hair

    glow worm ultracom 18hxi low flame problem

    hi, Im looking at a glow worm ultracom 18hxi that heats up to mid 70s/80s works for about 20 mins, then goes into low gas mode (one flame on display) and stays there for the rest of time. no heat in the water or rads. I have changed a 3 way valve (which was jammed with the black stuff) I then...
  7. A

    Glow worm/ valliant he

    30cxi combi. Fires up every time on ch demand. Hot water demand fails. Burner lights but doesn't sence flame and locks out. Fault code f1. Have adjusted gas pressure but no change. I feel mixture is all wrong on full power but fga and gas rate is fine. Maybe fan speed all out? On this boiler...
  8. T

    Glow Worm Ultimate 30 C hot water but no heating.

    Hi everyone, hope you're all well and hopefully someone will be able to help with a problem I have. The boiler seems to fire up with heating no problem at the start of a program but will randomly stop heating. There are no error codes on the boiler and the thermostat (Climapro 2RF) shows no...
  9. S

    Does a Glow worm 18sxi need a constant live

    I have a glow worm 18sxi, in having a few problems and my insurance are saying its because it doesnt have a constant live so they wont cover the problem as it was installed this way 13 years ago. So does it have to have a constant live?
  10. scott_d

    Glow worm energy boilers

    Anyone fitting these? Can you pay to extend the warranty to 10 years like Vaillant?
  11. R

    Glow worm not heating rads

    Hi chaps, hope you can help I have a Glow worm Ultracom 38cxi, HW is fine but CH is not working I turned it on last week and all went well but I struggled to turn it off so I just shut down everything, it appeared to be back to normal, all lights on, all controls OK, water heats ok, today I...
  12. C

    Glow worm Boiler Ignition Fault

    I am a new poster to this forum - not a heating professional, but a householder looking for advice. please. I have a Glow worm 18hxi boiler with Magnatech installed in 2006 by a local engineer who has serviced it regularly and comprehensively every year - very competent, has done a lot of work...
  13. Steve weightman

    Glow worm protherm 40/50 ci behaving weird

    Hi folks a letting agency boiler I've been asked to diagnose and repair the first visit the fans on but no sparking first thought was aps and the orange light on the pcb was also telling me so it's the pcb with the two fuse. So new aps fitted now I have the orange light to say aps proved and...
  14. L

    Glow worm 24ci not working

    Hi there, we have a glow worn 24ci boiler which won't kick in, keeps flashing 0.4 with a red light above. Have tried to Google it to see how to re-pressurise but nothing has helped. Does anyone have any suggestions please?
  15. Inverness

    Glow worm betcom 4. Making noises

    hi guys, replaced a combi swap a few months ago and customer has contacted me, saying sometimes when they open kitchen cold tap the boiler makes a noise but doesn't fire up? I connected hot and cold correct way if your asking lol. The mains pressure is very high could this be causing problems...
  16. B

    Glow worm ultimate pcb

    went out to a customer and found the pub burnt out. It’s an old ultimate 30ff. Found the replacement part number via glow worm archive and contacted Wolseley to get a price. There does however seem to be a discrepancy. Glow worms part number is for a two fuse pcb, wolsely don’t list the...
  17. R

    Valliant Glow Worm Heater Exchange - Pro Therm 80e

    Hi Everyone, Does anyone know if the heater exchange (0020025264) from a Valliant Glow Worm will fit into a Pro Therm 80e? Thanks Rob
  18. C

    Glow worm Boiler advice

    Hello all, new member, first post.... After some advice on a Glow Worm Flexicom 30hx boiler before I throw more money at it. It is having troubles lighting up when the temperature is below about 5°c. It tries to start as normal, fan runs and you hear a woompf as the gas ignites but it then...
  19. Steve weightman

    glow worm fuelsaver manual needed

    really would be appreciated if any one has the glow worm fuelsaver 40br installation manual to hand having to do many visits to get it sorted out.
  20. N

    Glow worm 15hxi - dripping water

    Hi, over the last couple of days I’ve noticed that there's water dripping from the corner of the boiler. This only happens when the boiler is in use. Up to now the boiler is functioning and heating water and central heating. I would just like to be advised whether this is going to be a major...
  21. S

    Glow Worm 38CXI Hot Water Issue

    Hi There I hope you can help or point me in the right direction. I have a Glow Worm 38CXI boiler. The Central Heating is working perfectly however a few weeks ago we started to experience a problem with the hot water. When running the shower or putting a big demand on the hot water tap the...
  22. H

    Advice needed about an old boiler Glow Worm Space Saver 38.

    Please could anyone advice. I have a 36 y.o. Glow Worm Space Saver 38. I have had it for the last 6 years when bought my current house. I serviced it for the first two years but then stopped servicing in fear that it could be condemned just for being old an inefficient or no spare parts. I did...
  23. F

    glow worm flexicom 12hx

    at the moment i have 5 radiators 1 double and 4 single panel. they all are 40 odd years old , i want to relace all with double panel ones. would my boiler cope ok ?. it is a condenser boiler and the tank in the loft is open vented. hope some one can give me any advice. thanks.
  24. Inverness

    Cheap glow worm betcom 4 30c

    Advice, I'm wondering about the glow worm combi that has the mechanical time clock displayed on the front panel, can this be disconnected? As I'll be installing it in the loft and using the exciting room stat/ programmer. Not much experience in glow worms and I don't do electrics.
  25. A

    glow worm ultracom2 store 35 tripping on dhw.

    Looking for some guidance please. I have above boiler, its the 35 store, been in 6 years and now it trips out (at boiler reset on boiler) when calling for hot water, after about 4 or 5 miinutes run time. central heating no poblems, had heat exchanger replaced about 2 years ago and high temp...
  26. M

    Glow Worm Ultimate3 Stat Wiring

    Hi, can anyone clarify wiring and Honeywell 927 and BDR91 to a glow work ultimate 3. The BDR91 is currently set up as a 240v feed with 4 core cable. LNE are going straight from the receiver to the boilers LNE. I then have L bridged to A in the receiver. Does B from the receiver just go to RT...
  27. A

    Glow worm store 35 f81 code.

    Hi all Got a problem with above boiler, fault code f81 and discharge from vent, central heating working OK. I think it may be a faulty temp sensor causing overheating, gauge shows 55degrees. Any thoughts very much appreciated Cheers .
  28. M

    Glow worm easicom 28 leak

    Morning all, I have a slight leak issue with my combi boiler. I have noticed that there seems to be some water leaking from the bottom of my boiler, when I removed the cover just to see if I could spot the source I noticed there wasn’t really anything obvious until I accessed behind the...
  29. 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?
  30. 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...
  31. 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...
  32. P

    Glow worm 24 cxi faults

    Hi went to look at this boiler over a week ago it was randomly showing F1 (failed to light) F4 (went out when lit) F13 (PCB connection fault) F14( htg flow >95C) when i turned up the owner said over the previous 2 days she was unable to turn it off. Anyuway checked it out and the boiler was...
  33. W

    G/worm Flexicom 30cx intermittant fault when up to temperature

    Go back to this one on monday and not looking forward to it. Anyone had a similar fault on the flexicom when it gets to temp on ch and switches over to h/w can go to F1 with the occasional F4. Regards joe. sorry guys posted on wrong forum by tired on call engineer, just ignore.
  34. K

    Black ash 3 firefront

    Wondered If anyone had the PDF files for this fire , GC 37-047-08. Fits on Glow-worm 45-2 Back Boiler unit. Cheers, Kyle.
  35. F

    Glow Worm Fuelsaver Mk 2 / 40B Boiler

    Is there anyone who could give me a little advice, I have checked previous items on the forum but it still leaves me scratching my head. The glow worm has just started sounding like the hull of a submarine being crushed at 20,000 feet (not that I have been in a sub at that depth) the boiler...
  36. M

    Glow Worm 23c -Discontinued

    I have had a leak from a part on my boiler. I guy who came round said he can't get the spare part anywhere and we will need a new boiler as this one is now discontinued. Is this correct? It's a black pipe to the left of the gas control valve, that has somehow bust and was squirting water out of...
  37. B

    Contact for Glow-worm

    Not sure if this is the best place to ask but... I have a glow-worm 38cxi combi. It is about 5 1/2 years old. It doesn't have a hard life. In fact we overspecced due to the possibility of extending into the loft in the future. In the time this thing has been in our house it has sprung a leak...
  38. P

    Glow worm hide away

    I am back after a lengthend stag do! phew, what a manic 10 days! anyhow!!! Anyone know much about these? Common faults etc? Go one to go to at weekend
  39. T

    glow worm fexicom

    Hi as a Vaillant man I have a situation wher i need to fit a vented boiler in an existing location (under a kitchen work top) and it requires a rear flue. The only boiler I can think of and after a brief search confirmed, is the Glow Worm flexicom which is an A rated appliance only just mind and...
  40. S

    Glow Worm 30cxi - your opinions please

    Hi everybody!!! I have had a quote for supply & fitting a new Glow Worm 30cxi. I was originally going for a Worcester Bosh, but due to lack of cash I’m going for a cheaper Glow Worm. I know people on here prefer Worcester or Villaint, I just wanted to get people opinions on this 30cxi...
  41. D

    Blocked drain.....rod snapped inside!!!

    Was just unblocking (trying to) a drain when the bloody rod snapped inside. There is a rubber plunger on the end and at least one length of plastic rod is stuck, I'm guessing somewhere about a 1m-1.5m from the point I started rodding. I already tied a binliner round my arm and had a fumble...
  42. P

    Glow worm 30 ci F04 fault?

    Has anyone a clue what this 04 fault means, I have looked in the instruction book and this is the only one not listed?
  43. O

    Boiler recommendation

    The Glow Worm Flexicom 12HX - any views on this make and model? I'd appreciate good, bad or indifferent comments. Many thanks.
  44. R

    Drain rods for Valantines Day

    Hi people The better half has decided to buy me a set of drain rods for the 14th bless her. So Ive been looking at the Baileys 3/4" rods. The question is screw thread joint or Lockfast? What do you guys use/prefer? Cheers Rocky
  45. S

    identify glow worm part?

    My Customer have a Glow Worm 24ci Combi and one of the components is broken. I am trying to identify the part. The leaking part is between the water to water heat exchanger and the dhw out let. The black plastic body of the part is cracked and leaking water. Please let me know if you new what...
  46. W

    Glow worm Ultrapower sxi

    Has anyone installed or using a Ultrapower sxi? I am interested in installing one of these in my home, they have the 100 or 170 litre option. I was after a user review but nothing n the internet. Any feedback would be appreciated. Glow-worm : ultrapower sxi
  47. C

    1st Time REGISTRATION! !!

    Hi guys can anyone help! ! After 7 years plumbing im going out on my own but really need sum advice... I've done my ccn1 and all that but now im going out on my own im goona try registration with corgi myself ! but im Really really nervous about them comin out to see me and give me the questions...
  48. R

    Boiler PC Diagnostic software

    Where can I source the software for a PC (and cables) so i can hook it up to diagnose boilers? The Worcester guy has it on his laptop and it's apparently available on the internet, but I can't find it!!! :confused::confused::confused:
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