How to mend ... Water Glow Worm

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]

The flow rate of all my hot taps have sudenly slowed down. Wha can I do?

The flow from all the hot taps in our bungalow have suddenly slowed right down. The water is hot and the radia... [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]

Glow worm 100e won't fire up now, fan? Are you about Hi-Tech Plumbing?

Hello Hi-Tech Plumbing, or anybody who has a suggestion please. I have just replaced the diaphrams on my GW 1... [Read more]

Low pressure warning light on Glow Worm Compact 100e?

Hello, I had a problem 2 years ago with my Glow worm Compact 100e, which would not switch from heating to hot ... [Read more]

Glow worm ultimate 40ff ultrahot water!!!!!?

Hi, I have the above boiler with potterton ep3002 timer and potterton room stst with hot water cylinder stat ... [Read more]

Heating works, but Hot Water doesn't... Glowworm Micron 40FF?

I've having a strange problem at home. If, via the Programmer, I turn the heating on the radiators come on.... [Read more]

glow worm micron 50ff neon light 4 burner light not lighting?

leon light 4 the burner light is not fireing up all the time so the water is cold any ideas what this could be... [Read more]

over flow from glow-worm space saver f?

i have a glow worm space saver f, and it seems to be over flowing and i am loosing a lot of water out the over... [Read more]

glow worm express 100?

no hot water

no hot water or c/h?

my boiler wont fire up to heat water or c/h, the pilot light is ok, the thermostat is turned up, the programme... [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]

how can i fix my glow.worm 35i?

cannot fill system with water, from filling tap

Problem with Glow Worm 30 Ci boiler?

I have posted a similar question but still with no answers. Anyone out there with any ideas? My Glow worm 30ci... [Read more]