How to mend ... Water Glow Worm Boiler

Glow worm (C30i) F5 flashing light?

Glow worm C30i combi gas boiler showing a red flashing light F5. No hot water & no heating. Tried re-setting,... [Read more]

Saunier Duval Boiler - SD30e cutting out?

Hi, I have an SD30e combi boiler (exactly the same as a Glow-worm compact) and recently a diaphragm had to be ... [Read more]

Glow-worm K.F.B... how to fill??

my brothers central heating sounds like a kettle without water when he turns it on, the pump in the upstairs a... [Read more]

my glow worm fuelsaver f has been making a loud whistling sound?

The whistling sound has begun since i had a new bathroom replaced last week. we are getting hot water and heat... [Read more]

Glow-worm 40ff boiler fires up but doesnt heat?

Glow-worm 40ff ultimate fires up,fan is making more noise than normal but does not heat radiators or water,any... [Read more]

How do I stop my Glow-worm Combi-Boiler overflow from emptying the system?

There is something wrong with the overflow mechanism on my boiler. The central heating water pressure shows 0 ... [Read more]

glow worm 45/2 back boiler help !!!?

I have found this question which i need an answer to please: Glow worm 45/2 back boiler burners ignite for ... [Read more]

glow worm swift flow 80?

Glow worm swift flow 80. The boiler is producing hot water at too high a tempreture. It does not lock out or o... [Read more]

my glow worm boiler is flashing f9?

my glow worm boiler is flashing f9 the heating is working fine but i have no hot water could anyone tell me we... [Read more]

Glow worm space saver boiler problem?

I have a glow worm space saver boiler and the hot water cylinder is making noises. The thermostat is only eng... [Read more]

how can i fix my glow worm jaguar combie boiler?

hot water not geting hot eneough and keeps cutting out at 33 celcieus

glow.worm 24ci fanned blue combination boiler g.c no 47-047-19?

we have been experiencing water loss through the boilers reduced pressure zone valve and although we top it up... [Read more]

glow-worm 30cxi not able to top up with water?

Hi, I have a Glow worm 30cxi Combi boiler, I can only find one tap underneath the boiler to top up with pressu... [Read more]

How to fix a Glow Worm 35ci combi boiler?

The heating is working but the hot water suppy only gets luke warm. The water gets slightly hotter if I reduce... [Read more]

how can I fix my Glow-worm 30ci hot water problem?

I have a Glow-worm 30ci boiler which lets me have lovely hot water in my kitchen, where it is situated, but in... [Read more]

how do i fix glow worm compact 80e?

to get hot water in the sink i must turn it gully and it takes about 15 minutes for the boiler to light what ... [Read more]

Glow Worm Ultimate boiler?

I have discovered my boiler is only wired for single channel operation where the water and heating come on t... [Read more]

Glow-worm 30HXI F5 fault code - cannot restart boiler?

I've had a plumber out today to fit new rads. Previously have had no probs with boiler. Now, loads of air bubb... [Read more]

glow worm 30cxi boiler fault?

i have a glow worm 30cxi boiler, today i drained the system to renew a radiator, i refilled the system and ven... [Read more]

Glow worm ultimate 60ff?

The hot water works ok when the thermostat is turned up the boiler starts up until the waters is hot But when ... [Read more]