Home heating systems?

Further fault Glow-Worm F100 gas boiler. When the boiler starts up the burner flame comes through the pilot light port. I thought that this must be because the fan was not working, i.e. not drawing t ... more

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Which way to turn slotted screw to adjust water pressure up on a glow worm ?

Water pressure is at 0.7 on my boiler .had hot water but now boiler clicks and nothing else. Water still cold . Found the water inlet pipe with a slotted head but tried turning to the right (quite tig ... more

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glow worm flexicom 15 hx not firing up?

my flexicom 15hx will not fire up unless I remove one of the 4 thermistor leads and then replace it while there is a demand for hot water/heating,i recently had to have a new hot water cylinder fitted ... more

I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?

I have a 30cx Glow worm boiler suddenly started to give cold water only. I don.t know how to fix it? I switched the mains off and on. The boiler starts and restarts but then the error F4 comes up. C ... more

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how can i get trapped air out of agloworm?

I have air trapped in my central heating boiler itsa glow-worm ultracom 15hxi how can I get it out boiler shows f25 fault have fitted a new pump and water level ok

How to fix glow worm 18 hxi ?

Display shows f5 error code and will not fire up

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Pilot Light?

My Glow worm 38,50 pilot light comes off when burner gets on. how can I increase the flame alittle bit more

glow worm compact 100e pump runs all the time with no demand?

Hi, Hope someone can help, As stated in the heading, checked the the thermistors they are ok, have changed the pcb had a problem in March, thought it was that, as I got it under warranty has been chan ... more

Glow worm flexicom 30cx auto air vent - how do I replace?

Told by service engineer that vent is weeping lightly when in use . This plus two screws in flu clamp = £240!!!

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how to fix my glowworm boiler f6 fault code?

I have a glow worm 18hxi boiler with fault f6 thermistor can I replace these

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Glow.worm ultracom 38 cxi showing f25 faultcode?

No heating or hot water as boiler showing f25 none of the buttons are responding or opening valves does not fire the boiler up on the gloworm ultracom 38cxi boiler

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boiler Glow-worm hideaway ff free standing?

had service replaced pump butkeeps cutting out after running for about an hour

Glow-worm Hideaway will not fire up for hot water but the pilot is on?

Hi I have a Glow-worm Hideaway the pilot light is lit but the boiler doesn't fire up so we can have hot water / heating. I can hear the seperate electric pump working when I turn the room thermomet ... more

Glow-worm betacom 30c combi boiler overheat thermostat light flashing?

Overheat thermostat light flashing and reset will not work. Every time I reset it just goes back to fault. No hot water. No central heating. Glow-worm betacom 30c combi boiler. 5/6 yrs old. GC No. 4 ... more

Central heating not working?

My glow worm micron 50FF works for a short time then shuts down and both lights go out. Neither of the two lights are on or flashing so fault codes in manual do not help. Once it is cold boiler can be ... more

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why is my combi boiler not staying fired for central heating. water fine?

my Glow worm combi has been having odd days when the central heating isn't working but then has been ok again after a day or two. But now it hasn't worked for the last four days. Hot water is fine. ... more

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fitting thermostat?

Fitting thermostat to Glow-worm 24cxi boiler

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What does F43 error message mean on Glow Worm 24/30cx?

Boiler got serviced last November then last night it stopped working. At first it was showing F1 and F4. Then this turned to F43. According to manual, this is generic fault whereas the first two are i ... more

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I have moved into a flat am dissabled carnt get heating on unit flashing F1?

Heating was working yesterday but now it's it I'm in great places flat as of 15-12-16, done what it says to do but still flashing F1 Can you advise please ? My unit is a Glow worm,Flexicom 24cx

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Air in system?

Hi all, I've got a glow worm fuelsaver 45f that I think may air trapped in it. Its a pretty standard open system A couple of weeks ago the pump gave up,this was changed and ever since,the boiler ma ... more