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  1. C

    Glow worm sxi not hot enough

    Went to this job last week and it just sat at 35 degrees on the boiler, which is basically tick over mode i pulled the stats off the flow and return pipe work on the boiler and then after a few minutes it whirred into life, so I thought ok, the thermistors must be on their way out so I changed...
  2. C

    Glow worm Betacom 24

    Been to this boiler as it had a leak on the prv. been back again as its still dropping pressure,prv is tight, no leaks in the house,i have checked everywhere and its baffled me as to where it can be, i checked the main exchanger, nice and dry. i disconnected the filling loop to make sure it...
  3. M

    Glow worm ultracom 30cx - setting combustion??

    Glow worm Ultracom 30cx combi. Was unable to set boiler into min or max rate in order to check/set co2 readings. MIs say press reset button then quickly press and hold the "+" button until "Hi" is displayed, but there is no "+" button on the user control?? Took off the back of the control panel...
  4. S

    Glow Worm 30cxi - Main PCB blowing, any advice?

    Good Morning Everyone, I have a Glow Worm 30cxi Condensing Combi Boiler. Last week, the main pcb died. I got the board replaced (4000124180). Boiler came back on, happy days. I did notice that the water was nowhere near as hot as it should be and been advised the Plate to Plate Heat Exchanger...
  5. P

    New Glow worm 12 energy ERP boiler on existing Y plan system.

    Evening all. Fitted the the boiler on Friday, Commissioned it using test mode, handed over to sparks for wiring up the controller, Mid position valve, Room stat and cylinder stat. They couldnt figure it out, GW (Vaillant) Tech support don't work at weekends despite the fact that they claim...
  6. R

    Glow worm 38cxi hot water pain

    Hi all went to one of these the other day and it's got me scratching my head. The hot water temp was fluctuating greatly, running hot cold with the boiler cutting in and out. Took the plate heat ex out gave it a bath in some nasty acid I've got, usually does the trick puts the it back and...
    • Richie_77
    • Thread
    • glow hot water water worm
    • Replies: 3
    • Forum: Bathroom Advice
  7. V

    glow worm easicom 24 boiler timer

    hello. i got problem with timer. i broken plastic part for switching on or off. i need to change time. maybe somebody know can i use 0020095196 (number of timer) its good for my easicom boiler? thank you
  8. shaky

    Glow worm flexicom 30cx

    Hi all, Just got a call to look at one of these boilers, heating ok no hot water any common problems with these boilers?
  9. C

    BOILER HELP REQUIRED- Glow worm spacersaver mk2

    Hi folks, Ive got a problem with a glowworm spacesaver mk2. Its in the new house we moved into and has been working fine until yesterday. The problem started when the pilot light went out. Ive relit it no problem and then tried to activate heating via the programmer and the fan kicked in but...
  10. L

    New Glow Worm Ultimate 2 - water running down outside wall

    Dear Forum If anyone can advise me on this matter I would be grateful. I had a new Glow Worm Ultimate 2 boiler installed at my house in March. Since then it has flooded the kitchen in September (due to a faulty "O" ring on a diverter valve), in October it stopped working again and (after two...
    • lorna44
    • Thread
    • glow running wall water worm
    • Replies: 7
    • Forum: Bathroom Advice
  11. L

    Glow worm.

    Hi guys, Having a bit of an issue with a Glowworm 18hxi at the moment, went out to one today and it was leaking CO pretty badly, seal was last changed in 2010 for the graphite version, door was also slightly warped, door has been changed as well as all the insulation as this was all severely...
  12. S

    Glow Worm Compact 60 boiler leak created whilst fitting a Magnatec

    I'm a fairly proficient DIYer and was fitting a ADEY Magnatec to my daughters central heating system, connecting it to the return flow beneath the boiler (recommended as the ideal position in the instructions). In order to install I needed to slightly modify the pipework to allow sufficient...
    • SMP1
    • Thread
    • boiler compact fitting glow leak worm
    • Replies: 11
    • Forum: Boiler Advice Forum
  13. S

    Glow worm hideaway.

    Hi, my mum has a glow worm hideaway which is about 25 years old. The control for it broke years ago so she just switches it on and off manually by pushing the heating and hot water buttons down. She has no temperature control or any way to program it to come on. Does anyone know if there are...
  14. J

    Glow worm ultimate 60 ff

    I have an issue with the boiler above and wanted to find out if anyone uses refurbished pub's as it's quaternary of the price and has the same warrenty ?....help
  15. C

    Glow worm space saver constantly heating hot water

    I have what looks like a very old Glow worm spacesaver in my flat (first time buyer) and have suddenly noticed despite not switching the hot water on for weeks the tank stays hot. When i look at the boiler i have noticed the flame is constantly lit, despite turning the hot water tank thermostat...
    • Chrispee
    • Thread
    • glow heating hot water water worm
    • Replies: 16
    • Forum: Bathroom Advice
  16. Captain.rick

    Glow worm 15 hxi open vent PCB?

    Hi all very little to no knowledge of these but the customer has no power to display. I opened up, there is power to board, using volt pen no power to smaller control board. I'm no expert so was wondering if there are any glow worm experienced peeps out there to advice on if this is likely...
  17. K

    Glow worm boiler popping

    Glow worm Flexicom 25hx installed 2011. For some time now our boiler has been making random popping noises (like a balloon bursting). This happens at least 3 or 4 times a day, any time day or night. The boiler is currently idle except for two timed periods to heat water. This happens whether...
  18. T

    Pressure rising on my glow worm ultra com 38Cxi boiler.

    Hi people, please can someone advise me as to what maybe causing this. Firstly I have just had a new expansion vessel fitted also a new prv, pressure was fine for the first two/three days after fitting. It has slowly risen to 2.6 bar, I've checked all rads for any sign of leakage. Can I...
    • Trev Gilly
    • Thread
    • boiler glow pressure worm
    • Replies: 15
    • Forum: Boiler Advice Forum
  19. M

    Glow worm boiler engineer

    Anyone recommend an engineer experienced with Glow Worm boilers in the Bromley, Kent area? Boiler is a British Gas 330 (G.C. No. 41-047-75). Are the Glow Worm directly employed engineers any good and experienced with the older boilers (installed 2006)?
  20. E

    Glow.worm Hideaway 115C FF

    bit of a long shot but if anyone comes across the above boiler Being replaced I need a cap for the vertical flue test point, it is not threaded , has been capped for approx 10 years with 22mm speedfit stop cap. Or other suggestions, I can actually get a brass compression 22mm stop end with the...

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