How to mend ... Water Glow Worm Boiler

Glow worm 30ci - shutdown at 18C - 0.5 bar error code, and leak on top up?

The system ran at 20C degrees for a long time, with power down over night for about 7 hours on clock. Went a... [Read more]

How can I fix hot water problems in my glowworm75pcompact condenserboiler?

I have a 5yrs old glow-worm 75p GC# 4704703A condenser boiler that has developed problems sustaining hotwat... [Read more]

how can i fix my glow worm 30ci?

I have heating but no hot water,, new sircuit board fitted but no better, boiler is four years old ... [Read more]

Can you turn the water temperature down?

Is it possible to turn down the central heating water temperature on a glow worm 100p boiler.At the moment my ... [Read more]

How can I fix the water inlet valve of a 35ci Glow worm bolier?

The boiler is 2 years old but the pressure has dropped to 0.5 bar and has shut down. Normally I have been able... [Read more]

Relighting Glow Worm Ultimate boiler?

help I am trying to relight a Glow Worm Ultimate boiler that is use only for central heating. I have tried to ... [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]

What F5 mean on a Glow Worm Boiler model 18hxi?

I have this fault appearing on the panel. The boiler suddenl;y not working and no hot water. The rror messag... [Read more]

Glow worm 30cxi, leak when I turn blue knob?

Hi I have just removed my radiators to do some decorating. When I had finished I put the radiators back on, c... [Read more]

how can i fix my Glow-worm boiler?

Glow-worm electronic went to lock down but after reset it is constantly calling for hot water even when taps ... [Read more]

domestic water safety valve leaking on Glow-worm 30 ci plus?

Water leaks out of the 10 bar domestic safety valve on my boiler when it has been on for a while, its running ... [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]

The water pressue is zero on my Glow worm swift flow boiler?

The pressure reads zero and the red warning light is flashing. How can i bring the pressure back.

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]

My Boiler Pilot Light Goes Out When The Central Heating Is On?

I have a Glow Worm Economy Boiler. The pilot light goes out when the central heating is in use but stays lit i... [Read more]

Glowworm swift flow 100 - pilot & green light on -no CH or hot water?

I have a glow worm swift 100. When I turn the hot water or central heating on the green light turns on as it s... [Read more]

glow worm 50?

i have glowworm micron 50works ok when it calls for hot water but will not always fire up for central heating ... [Read more]

Glow Worm economy plus 40F central heating problem?

We have a GW economy plus 40F boiler that is heating our water fine but when you turn the central heating ther... [Read more]

No hot water from my Glow Worm Space saver 60 MKII?

Central heating works fine but I can't get any hot water! Boiler fires up but switches off after a few minutes... [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]