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  1. T

    Accessing Flexicom 24hx installer cartridge

    I've got a Glowworm Flexicom 24hx boiler and I'm trying to unplug the installer cartridge in order to wire up the ebus connection inside. From what I've read, it should be possible to do this without opening the boiler, but there is limited access around the boiler and I'm struggling! From the...
  2. 89murph

    Glowworm Flexicom 30cx- repressurize my system

    I think the braided pipe is the one for repressurizing, but unable to find taps.
  3. TomGib

    Glow Worm Flexicom 15hx Leaking condensate

    I have a Glow Worm Flexicom 15hx that is leaking what I assume is condensate from the circled area, is this likely to be from the part of the flue that could also leak CO gas? Would the fix be as straightforward as replacing this plastic part if that is the source of the leak? Thanks!
  4. N

    Glow Worm Flexicom 30cx

    Hi all. Got the above combi which had an F25 (circulation) fault. Had new expansion vessell (was bad) then at advice of Glowworm a new diverter valve as hot water was OK but fault on heat. All has been perfect for a few weeks then back to F25. As before cutting power cures it. Always from cold...
  5. plumb_know

    glowworm flexicom 15hx

    Hi Everyone, Have customer with a glowworm flexicom 15hx which has small hole in thebottom of the plastic sump, but i cant find this part and only the whole heat engine. Is this right?? has anyone replaced just the sump on these?? Thanks
  6. M

    URGENT Glowworm Flexicom 12hx error codes.

    Hi all, I am hoping someone can help me on this one. I have a Glowworm Flexicom 12hx boiler, currently getting two different error codes (F25 and F22). Landlord believes the boiler has lost pressure and needs topping up, but I have no way of checking the boiler pressure - no dial and no on...
  7. J

    Glow worm Flexicom 30cx brief cutout

    Hi all, got the above boiler that was installed in the house back in 2009 before we moved in in 2017. The boiler works as it should, it heats up the hot water and the radiators fine and everything is balanced. however it has started to act rather strange with the heating on. The boiler will...
  8. S

    Flexicom 18hx Mode button

    The mode button on my flexicom 18hx boiler to alter the boiler heat settings is still working but has to be pressed much harder than it used to be pressed in order for the setting mode to display and allow the temperature setting to be changed. Is this likely to fail completely and what needs...
  9. I

    URGENT Glow Worm Flexicom loop valve help

    Hi All, Yesterday I drained down my water system and when I went to re-pressure the sytem the fill loop valve is stuck and will not open. I have removed the handle grey handle and managed to use a spanner to turn it but still no joy. If I remove the silver hose and open other valve there...
  10. F

    Glow Worm Flexicom Boiler Failing to Fire Up in the Morning

    We have a Glow Worm Flexicom Boiler and on colder mornings it is intermittently failing to fire up. It's set to come on at 6.20 but on particularly cold mornings it doesn't come on. When it fails it is usually showing an F43 error code, hit the reset button and it fires up fine. The boiler then...
  11. moonlight

    glow worm flexicom 30cx

    Customer rang. Told me she had someone out, they have changed the flat plate heat exchanger. Still same problem with water runs hot for a few minutes, then runs cool. Boiler is still running. Then they have told her its because she needs a new pump and quotes her for one. Then they sent another...
  12. O

    glowworm flexicom 30cx boiler - over pressure & drip

    Hi, after some help with a flexicom 30 CX - 9 Years old. Pressure slowly creeps up toward 3 bar, followed by a very slow drip. Plumber has been out & done the follwing: Represurised expansion vessel Relpaced plate heat exchanger confirmed both filling loop valves are passing water. Plumber now...
  13. 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.
  14. T

    GlowWorm Flexicom slow leak

    Hi, I have a Glowworm flexicom fitted in my house and like most it has an issue where the pressure sensor gets clogged up and you need to increase the pressure or you get an F9 fault. Basically, every few years it needs removing and cleaning. Recently I have notice that there is a tiny leak...
  15. Super Mario

    Glowworm flexicom not responding

    changed expansion vessel and put external filling loop as crappy internal one nackerd now not even showing a fault code and pressure wont go above 0.5 bar no flame nothing any ideas?
  16. T

    Leak coming from glowworm flexicom 30cx boiler

    hello, I noticed an intermittent drip coming from my glowworm flexicom boiler this morning Having taken off the front it is coming from a small hole in the front flue assembly. I will try to upload a pic This might be a stupid question but can I just check that this hole isn't supposed to be...
  17. H

    Glowworm Flexicom 30CX combination boiler Heat Exchanger problem?

    Hello, I am a female and single and at the mercy of some unsrupulouse plumbers. I have hired two and there are problems. I really need some advice. Here is the story. 1. January. Boiler failed, no power, plumber 1 attended replaced pump new part, he said was a pump but no power on pcb...
  18. 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?
  19. S

    Glowworm Flexicom 30cx F9 fault.

    Hi guys I am new to this forum, I have a Glowworm Flexicom 30cx which keeps throwing up a F9 code, if I press the reset button it will fire back up and run quite happily all day,however it does keep locking out and going back to the F9 code, usually after it has not been in use for a while ie...
  20. Riley

    Flexicom moved

    Morning chaps friend of mine asked me to move his boiler into his loft, which I did yesterday. Boiler was working fine but is now making a horrendous groaning noise on DHW. Cannot fathom it. Flexicom 30cx, three years old, serviced annually has literally just moved up and slightly offset to...
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