How to mend ... Water Heating Glowworm

Loud clunking noise when boiler switches off?

I have recently moved to a new house. I have a Glowworm HX18 combi boiler. Each time the heating switches of... [Read more]

F1 fault code on glowworm flexicom 30cx?

I have the fault code F1 flashing on y boiler, have checked the overflow pipe to no avail, can anyone help ple... [Read more]

how can i fix my glowworm 30 ci?

my glowworm 30 ci keeps flashing f1 in red and my heating and how water wont work

I have a glowworm 18hxi boiler and the heating isnt working. How can I fix ?

The heating isnt coming on with my glowworm 18hxi boiler. I have tried reprogramming the automatic programming... [Read more]

Glowworm compact 100p unable to maintain heating water pressure?

The heating water pressure has to be adjusted daily. When on holiday and the boiler is off the pressure rem... [Read more]

i have an F5 error on boiler glow worm how do i fix it?

My boiler turns on then shows f5 error and red flashing light on glowworm boiler. turned it off then on and st... [Read more]

i have a glowworm 35ci. there is a f5 fault code?

the boiler stays on but when turn on the hot water tap or the heating the fault appears straight away

repair to glowworm swift flow 100?

when hot water is running the green running light goes out and also the mains amber light after a half run ba... [Read more]

We have a Glowworm combi boiler and hot water is erratic?

We have a 30cxi combi boiler which constantly loses hot water going from scoulding hot to stone cold in second... [Read more]

Hot water temperature varies?

Our heating and hot water system uses a Glowworm Ultracom 30cxi boiler. After servicing (2 weeks) ago the hot ... [Read more]

Glowworm Betacom 30c - lukewarm hot water?

My Glowworm Betacom 30c is producing only lukewarm hot water. Also when the hot water is run for some time it ... [Read more]

Glowworm fuelsaver mk II help?

We have just moved into a new house and have turned the heating off and set the hot water to come on for just ... [Read more]

What do I do when my Glowworm Compact 100E pressure is high?

What do I do when my Glowworm Compact 100E pressure is high - red light comes on when I put heating on or when... [Read more]

Glowworm 30Ci Boiler?

My Boiler is Flashing F2 on the control panel and as we where away for a few days it will not ignite to get an... [Read more]

How can i fix my glow-worm combi which is trippping my circuit breaker? ?

How can i fix my glow-worm combi which is trippping my circuit breaker. this started in the middle of the mori... [Read more]

Why does my glowworm 24ci keep over pressurising when heating is on?

The starting cold water pressure is filled to 1 bar and system is free from any air. Then the heating is turne... [Read more]

glowworm 30ci?

my central heating is hot but the tap water is luke warm

New Glowworm 24c betacom- not heating radiators?

We had a brand new Glowworm 24c beta com combi boiler installed last week, with a digital thermostat in the li... [Read more]

have 45/2 back boiler, glowworm spewing flames from front any ideas to fix?

i have 45/2 glow worm back boiler and it was spewing flames from the back boiler unit through into the main fi... [Read more]

Glowworm 330+ Central Heating boiler question?

1. What should the water expansion tank pressure be? 2. The Red guide hand is on 2bar but the pressure (col... [Read more]