How to mend Glow Worm System

1

Central Heating won't heat radiaters but do have hot tap water?

I have an Optima 700 boiler/central heating system. When I turn up the room thermostat it clicks but the boile... [Read more]

2

Low Pressure in Glow Worm Swift Flow 80 Boiler?

My Glow Worm Swift Flow 80 is showing zero pressure on the dial. How do I re pressurise the system. I found a ... [Read more]

1

glowworm boiler?

my glowworm boiler fires up for about 30 secs then switches off. I have bled the system and refilled but no wa... [Read more]

2

how can I get rid of air and banging in my C H system?

how can I get rid of air and banging in my C H system? banging noises in the pipe between the boiler Glow-wo... [Read more]

5

glow worm swift flow 100 HELP?

Hello a few years back i had a problem with my swift flow 100 combi boiler, the pilot light wouldn't light. Af... [Read more]

3

Glow-Worm Fuelsaver 55F. Very noisy boiler?

Glow-Worm Fuelsaver 55F. Very noisy boiler. Although this boiler is of the ancient variety it is however st... [Read more]

1

Glow worm Swiftflow 120 Low system pressure?

When heating goes off, system pressure drops to point where low pressure light starts to flash. When heating ... [Read more]

1

I think I have air in my rads?

I have a glow worn ultimate... It is not a combi it is the older type will a tank in a cuboard were it stores ... [Read more]

2

glowworm swiftflow?

the low system pressure light is flashing about once every second and the pressure is ok what is the problem?

2

upstairs radiators cold downstairs hot?

i have a glow worm compact central heating system just recently the radiators on the first floor of my home do... [Read more]

1

Fault with my Glow worm Micron 50ff ignition?

When I start the system up the burner light and heating comes on for about 1/2 hr, but then turns itself off a... [Read more]

4

how can i fix my glow worm fuelsaver 30-40?

Pilot light is on. When system is calling for boiler to fire up it doesnt. New grundfos pump fitted 2 years a... [Read more]

1

Glow-worm 240/246 stopped heating radiators?

We have an ancient Glow-worm back boiler which worked fine until a few days ago.We can now only get one radiat... [Read more]

1

why won't my Glow-worm economy f work?

Everytime I take a radiator off and replace it the system won't ignite . the pump works but when I try to blee... [Read more]

1

Hot water OK, central heating not, one radiator warm?

My system (Glow Worm Fuelsaver F boiler) is working fine for hot water, but the central heating won't come on.... [Read more]

1

Low pressure in Glow Worm Combi?

The pressure in my 80e Glowworm keeps dropping to 0.2 - 0.3 bar after being pressurised. Engineers have been o... [Read more]

1

How can i fix central heating glow worm system when the heating is set to?

go off the heating is still on radiotor located near system in bathroom , I've switched off the system then ... [Read more]

1

Glow-worm ultimate 40FF?

How do I repressurise the system once I have drained down and have moved a radiator?

4

how to refill central heating system?

I need to change a valve on a downstairs radiator, I have a Glow-worm Swiftflow Combi boiler. I have been tol... [Read more]

1

faulty glowworm?

The heating system works fine, unti the hot water tap is left to fill the bath. When I turn the tap off the sy... [Read more]