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  1. B

    22 fault code, Glow worm

    Got a Glow worm 18 flexicom with f22 fault. I've replaced both flow & return thermistors, bleed all rads of air, removed the pump and cleaned it, it all seems fine and pump is strong, checked wiring continuity and that's all good. Boiler is only 6 years old and Glow worm have said it sounds like...
  2. 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...
  3. 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...
  4. S

    Glow Worm Ultimate boiler no ignition and no pilot...

    Hi, I came in tonight and turned the central heating up. Nothing happened. It was working fine this morning. There is no pilot light and the igniter is not firing. Power is getting to the controls, as I can here a click as I turn the power on, after turning it off from the switch. I am going to...
  5. 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
  6. 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...
    • Craggle
    • Thread
    • boiler glow worm
    • Replies: 3
    • Forum: Boilers
  7. Inverness

    Space saving frame for a betcom 4 glow worm

    Do you know if you can get a space spacing frame to project the boiler further out than hard to the wall.
  8. finchy01

    Glow worm 30ci won't stay alight

    Afternoon chaps, I'm at a lose. I have just come away from a job wlempty pockets as couldn't fix the problem. Scenario. Glow worm 30ci combi won't fire. It sparks, fires on low flame but goes out after 5-10 seconds and then goes to F1. With all cases off right back to burner, it stays on. So...
  9. 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.
  10. 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...
  11. 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...
  12. 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...
  13. Inverness

    How to Commission a glow worm betacom 4 30c combi

    Hi guys, I've just wasted so much time trying to figure out how do I achieve low and high firing from this boiler.. I've read the manual many times but still don't make sense. I did a replacement boiler change which should of taken half the day not 12 hours! Due to not managing to commission the...
  14. B

    Glow Worm boiler keeps cycling with no demand

    Hi all, first post but have a major issue that's causing me headaches. My system boiler (Glow Worm Flexicom 18hx) continues to cycle to keep itself up to temperature, even without any demand from the programmer (Drayton Lifestyle LP 522) which is also causing the pump in the upstairs airing...
  15. 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.
  16. S

    Glow worm hot water problem - please help!

    Hi I’d really appreciate some guidance as I’m now utterly confused. My boiler (compact 100e) seems to be working ok except can be very slow to produce hot water from the taps (starts off cool slowly warming to reasonably hot, particularly if CH has been off), and also at times just luke warm...
  17. 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.
  18. 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...
  19. 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...
  20. 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 .
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