How to mend ... Boiler Glow Flow Water

Glow worm boiler does not heat water, pilot light os on and boiler light in?

Make Glow worm swift flow

How can I diagnose my Glow worm Fuelsaver F100 boiler problem?

My ageing, but until now perfectly reliable, Glow worm wall mounted central heating boiler appears to have dev... [Read more]

Glow Worm Space Saver Mk2 - Cutting Out- No Hot Water?

The boiler was ticking over on the pilot light. After switching the system on/off I couldn't hear or feel any ... [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]

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 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]

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.

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 Swift Flow 75 Noisey Fan?

The Fan in my Glow Worm Swift Flow 75 was jammed up. I called a plumber out and he cleaned it up with fairy li... [Read more]

boiler not working?

my radiators are cold and iv got no hot water.pilot lights lit but no noise coming from boiler as their normal... [Read more]

i have a glow worm swift flow 80 combi boiler, need help to repair?

dhw was intermittent and now i'm lucky if the heater fires up at all the pilot light is ok , i have fitted a n... [Read more]

glow-worm flow switch problem and leak?

i have a glow-worm swift flow 100 and two separate problems. the first is the pressure loss, it after the heat... [Read more]

how can i fix my Glow-worm swift flow 100?

the heating does not work and there is no hot water the boiler seems to be running ok but the flames do not co... [Read more]

my boiler lights up ok but the radiators are getting luke warm?

My boiler is lighting up ok , the radiators are only getting luke warm despite thermostar being turned up to m... [Read more]

Glow worm Swift flow 80 Boiler Combination boiler?

The boiler only supplies hot water if the central heating is switched on. What can be wrong with it

Over pressure in Glow Worm Swift Flow 80 Boiler - dangerous??

I have a Glow Worm Swift Flow 80 Boiler. It is over pressurising itself to 4 bar when on for just a few minute... [Read more]

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 -... [Read more]

How can I fix my Glow Worm Swift Flow 80 ?

How do I check that the Fan is working ? How do I know if the Thermocouple isn't working ? My daughter's... [Read more]

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]