glowworm bolier that goes tick tick boom!!?

I have a glow worm boiler that lights fine initial, but whenever its tries to relight after a few hours as neccessary a tick tick noise (the lighting spark?) can be heard followed by boom (mostly like ... more

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glow worm swift 80 - not keeping a constant temperature?

Hi Whenever we have a shower - it does not maintain a constant temperature. We can get boiling hot water - but on adjusting the temperature the boiler seems to cut off and the water goes freezing ... more

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Glow worm Compact80e hot water failure?

Intermittent failure. Shower sometimes fails to deliver hot water. If tap turned on then delivers. Suggested fault being diaphragm(?) but this does not appear in spares list for this model. Could i ... more

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i have a glow worm micron 70ff?

when i switch the central heating off on the timer and just want hot water the heating is still coming on. is it a fault on the boiler ???? thanks ken

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Hot water comming out cold - Glow Worm 100e?

Water runs hot (very hot) for a short time, then flame goes out. Few seconds later it fires up but then trips out (red LED). Managed to turn down temperature control dial to about half way, the wat ... more

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hot water Glow Worm Compact Range Cat I 2H Appliance?

How do i just get hot water with not having the heating on at the same time

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We are getting gas though but not enough pressure, why?

The gas is going though but the pressure is not enough to ignite the whole burner. It is a Glow-worm compact.

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Intermitantly Glow-worm 38Cxi shakes the house!!?

Our 38cxi mounted on a brick external wall shakes the house - but not all the time. It appears to be when the boiler tries to light, it starts as an intense low rumbling (like a freight train going pa ... more

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what could be wrong with my boiler?

I have a glow worm compact electronic 100.The central heating works fine but but hot water is a hit and miss. However if two hot water taps are open at once , then hot water is available.One tap can t ... more

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glow worm ultimate sparking but not igniting?

my glow worm ultimate was working fine but now does not light. I can hear the fan start up and can see the spark, keeps sparking but is not igniting. I know I have a working gas supply as my gas coo ... more

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is a Horstmann C17 Programmer compatible with a glow worm?

is a single channel Horstmann C17 Programmer compatible with a gravity fed Glow-worm spacesaver central heating boiler?

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my Glow-worm spacesaver mk2 main burner does not light,?

boiler has stopped heating water, the main burner does not work, pilot light is lit, and the pump runs,new pump, the fuse is ok and the programmer shpws two lights and turns on and of ok, motorised va ... more

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Glow-worm 30ci boiler water pressure problem?

i have a Glow-worm 30ci and have had constant problems with the water pressure, this often drops when the boiler is off but seems to maintain it when on. it has periods when it works fine then for no ... more

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Low Pressure in Glow Worm Swift Flow 80 Boiler?

My Glow Worm Swift Flow 80 is showing zero pressure on the dial. How do I re pressurise the system. I found a red knob which appears to contain the pressure switch behind the pressure dial. If I try t ... more

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loseing pressure in glow worm 30cl combi?

after turning off heating the boiler losess all pressurecan you tell how to fix it and how much it will cost

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How can I fix my Glow-worm Fuelsaver 40B MkII?

Over the last few days the pilot light has been going out without warning, and has been very difficult to relight (lots of ignition button pressing). I worked out that the pilot light would extinguish ... more

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How can I reduce the vibration noise from my Glow-worm micron?

I have a Glow-worm Micron that is making a vibrating noise. The noise seems to emulate from the extractor fan on the top of the unit. It is a Sifan Systems Model 227034 code No. WFFB1701-031. Do the b ... more

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where can i get a manual for a Glow-worm swiftflow combi?

where can i get a manual for a swiftflow combination boiler on loan

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hot water coming out cold?

Glow-worm Swiftflow 75/80 Combi Boiler - can you please help. the hot water runs for a bit and then goes cold - you can hear the boiler fire up and down when it does this, but the heating is still re ... more

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how can i fix combi boiler Glow-worm compact 100p?

boiler is igniting but no hot water and the heating is infrequent only just fitted new pcb

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