How to mend ... Glow Worm Fuelsaver Boiler

Glow-worm Fuelsaver 100F Flow & return?

I have no manual for my Glow-worm fuelsaver 100F boiler & need to know which side the flow & returns are on? C... [Read more]

my glow worm fuelsaver f has been making a loud whistling sound?

The whistling sound has begun since i had a new bathroom replaced last week. we are getting hot water and heat... [Read more]

glow worm 40 50 fuelsaver overheat thermocouple will not stay on?

boiler fires up having reset the o/heat t/couple then cuts out after a period .the period before shutdown is l... [Read more]

How can I fix my Glow-worm fuelsaver F?

When we went to turn on our central heating because of the wonderful summer weather we are having ,there was n... [Read more]

Glow worm fuelsaver MK II Pilot light wont stay on?

My central heating boiler has started to play up, the pilot light keeps going out after about 15 miniutes, som... [Read more]

Glow-worm Fuelsaver Mk2 - Pilot light won't stay lit?

Hi all, I have the same boiler as Glen (Mk2 30B, 4131304) and seem to be in pretty much the exact same situ... [Read more]

Glow-worm FuelSaver Mk2 - Pilot light won't stay lit!?

Hi! I've a Glow-worm Fuelsaver Mk2 Boiler. The pilot light won't stay lit. I've replaced the thermocouple b... [Read more]

glow worm 80f fuelsaver stopped working?

my glowworm 80f either trips the electric off,fails to spark or sparks but doesnt light pilot light or lights ... [Read more]

Glow worm Fuelsaver F swiches itself off?

Usual story ! Having had the heating off all summer, I turned it on for the first time yesterday, everything w... [Read more]

Glow worm Fuelsaver F - switches off!?

Having had the heating off all summer, I turned it on for the first time yesterday, everything worked fine the... [Read more]

Problem with my Glow-Worm Fuelsaver MKII?

Hello, I really hope someone can help. I have an Glow-worm Fuelsaver MKII installed in a 30 year old prope... [Read more]

what is wrong with my glow worm fuelsaver mk11 boiler?

The pilot light stays lit, but the boiler doesnt fire into action when the heating or water are turned on. ... [Read more]

How do I adjust the gas air ratio to give a good flame?

I have a Glow-Worm FuelSaver MK2 boiler and the flame is more yellow than blue. How do I adjust the flame colo... [Read more]

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]

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]

how can i fix my glow worm fuelsaver 60f?

it runs ok starts up and fires gets water in central heating warm and hot water warm but not hot checked room ... [Read more]

how can I fix my glow-worm fuelsaver?

it runs ok starts up and fires gets water in central heating warm and hot water warm but not hot checked room ... [Read more]

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]

Why does my Glow-worm Fuelsaver MK2 boiler keep blocking up?

I have a Glow-worm Fuelsaver MK2 which keeps blocking with soot in the dischange exchange before the flue. It ... [Read more]

How can I fix My Boiler Glow-worm fuelsaver 55f?

My boiler does not fire up.the ignitor just sparks all the time... but when i loosen the (casing - front) the ... [Read more]