How to mend ... Glowworm Only Water

glowworm swiftflow 120. Hotwater ok. Boiler gurgles when CH on?

My glowworm swiftflow 120 works great with hot water. When the CH is turned on it makes a gurgling sound and t... [Read more]

Need to replace the Heat Exchanger for a glow worm 38?

Can anyone help, my heat exchange has apparently cracked and is dripping water all through the electrics and f... [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

no hot water?

glowworm compact 100e, boiler fires up when hot water is turned on but no hot water comes out

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]

Glowworm Ultimate Boiler - Electrical Problems?

I have a Glowworm Ultimate Boiler, I've had it for around 12 years and just recently it stopped working. The b... [Read more]

my boiler wont fire up?|?

i have an old glowworm conventional boiler, (not a combi) and i have no heating or hot water! the pilot will l... [Read more]

Loss of boiler pressure ?

My glowworm boiler looses its presure overnight. i have checked all joints and underfloor pipes and joints, a... [Read more]

Programmer trips (mcb) fuse?

Glowworm balanced flue boiler - priority hot water with two-port valve, grundfos pump and manual clock type (B... [Read more]

hot water but no heating?

I have a glowworm fuel saver and I recently switched on my central heating after the summer. It worked fine th... [Read more]

boiler keeps cutting out?

Glowworm 30sxi. We had the water turned off to install new bathroom taps. Water was turned on and all seemed ... [Read more]

Glowworm 80 boiler?

Should the fan on a Glowwork 80 be running all the time? Idling when no water is passing through, and full spe... [Read more]

Glowworm swift flow combi boiler?

Hot water runs and then boiler goes off(green light out) when you bang the boiler case sometimes the boiler wi... [Read more]

glowworm flexicom 18hx boiler?

Put my water on in morning at timer. After about an hour boiler will cut out and stop heating water. Turn boil... [Read more]

Water from exhaust outlet on Glowworm 18hxi?

My mother has a Glowworm 18hxi boiler fitted in her house (relatively new installation). I have noticed that ... [Read more]

Heating / Hot Water ?

Hi there, I have a gravity fed Glowworm back boiler and I have to put the heating on in order to get hot water... [Read more]

Glowworm Spacesaver KFB 50 fires up without water or heat called for?

Have had the programer replaced, motorised valves are working correctly (supposedly) Immersion tank thermostat... [Read more]