How to mend ... Glow Combi Heating

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]

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]

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]

Heat Upstairs But not Downstairs?

I have 6 radiators in my house, 4 upstairs and 2 downstairs. My upstairs radiators are fine but I have a probl... [Read more]

Glow-worm combi boiler 100e information urgently needed?

where is the diverter valve on a Glow-worm 100e combi boiler and what do i need to do to change the diaphragm ... [Read more]

Pressure rising each time boiler used?

Have Glow-worm Combi 30ci plus. Had the (cracked) expansion vessel replaced after leaking. Boiler pressure now... [Read more]

We get hot water when we turn on the heating but not otherwise?

If we turn on the external heating thermostat, the central heating system works (boiler fires and radiators co... [Read more]

Emergency shutoff won't reset on Glow-worm Betacom 30?

The emergency shutoff light on my Glowworm Betacom 30 combi boiler has come on and will not allow me to reset ... [Read more]

Glow worm compact 100e combi - red light on when cold?

When our Glow Worm Compact 100e combi boiler is cold (i.e. first thing in the morning), the red warning lamp l... [Read more]

glow worm combi compact electronic?

heating works fine but hot water does not get really hot particularly upstairs even when i regulate the flow ... [Read more]

How can i fix my glow worm compact electronic combi boiler?

I have a glow worm compact electronic combi boiler which, when I turn it on ignites the burner and heats the h... [Read more]

No hot water?

I have a Glow-worm 30ci combi boiler about 2 years old & i have only very luke warm water at all taps & my pow... [Read more]

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

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... [Read more]

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

how can i fix my combi boiler?

my glow worm space saver mk ll wont fire up .the pilot light is on but when you switch the heating on it wont ... [Read more]

24ci Glow worm combi boiler?

can't get hot water without central heating being on

combi boiler, no hot water? but have heating?

I have a G.Worm 100e compact (unfortunately) & although I have heating, whenever we draw water from the hot ta... [Read more]

how to refill central heating system?

I need to change a valve on a downstairs radiator, I have a Glow-worm Swiftflow Combi boiler. I have been tol... [Read more]