How to mend ... Glow Worm Pressure

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]

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]

glow worm 24 cxi filling loop not working?

Pressure had dropped due to bleeding. Bled again (not used much during the summer) and pressure dropped below ... [Read more]

My glow worm 24 cxi boiler pressure?

I accidentally turned the filling loop tap and increased the pressure from 1 to 2.3. How do I reduce the pres... [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]

where is my prv and pressure gauge on my glow worm space saver f?

i need to check the pressure gauge and dont know where to find it, and also my pressure relief valve on my glo... [Read more]

why does my glow worm 24xci flash f9?

the pressure is at 1.8 and then the reading changes to a flashing F9 ... why would that be?

Glow-worm boiler?

i think there is a problem with my pressure vessel on my boiler when i put heating on it goes up towards 3bars... [Read more]

re charge p vessel?

how do you re-charge a pressure vessal and how do you do it ,its for a Glow-worm boiler,the problem is when th... [Read more]

what is the problem with my Glow-worm 24ci?

when i turn the hot water tap on ,the boiler ignites, but the bar pressure keeps rising so i dont get no hot... [Read more]

No hot water from my glow worm express combi boiler?

hi this morning when iwanted a shower there was no hot water looked at the boiler and when hot water is ask... [Read more]

glow worm swift flow 80?

How do i adjust the boil pressure as it has dropped below 7 bar. There seems to be no filling loop.

glow worm 24cxi F9 fault?

I have replaced the Diverter Valve,Diverter Motor,the System Pressure Sensor and the Water Flow Censor,I am st... [Read more]

Glow-worm Micron 50ff?

Boiler comes on and after approx 3 minutes cuts out again. The "Reset" LED flashes on & off and the "Burner o... [Read more]

Water Pressure Switch (Glow Worm SwiftFlow 100)?

Seems that the switch is ok (Air Pressure Switch is ok also) however im still getting a low pressure light at ... [Read more]

My Glow worm 30cxi is leaking underneath but my pressure is over 2.0?

When I turn my heating on it goes even higher up to 2.6, then I turn it off and it takes a long time (2 days) ... [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]