How to mend ... Pump Glow Worm Boiler

Glow Worm Ultimate control unit fails to switch off pump?

I have a Glow Worm Ultimate Boiler which has a control unit with the following code ULT 100F(its about 10 year... [Read more]

My Glow-Worm Ultimate 70FF won't light?

The boiler fails to light, with no spark at the electrode. The pump turns on and off under control of the room... [Read more]

what is wrong with my glow worm swift flow 100?

everytime the boiler starts up the pressure gage shoots up to a high level, a friend suggested loking for the ... [Read more]

How can I fix my Spacesaver 38 boiler?

Hi,Does anybody know where to get info about my Glow worm Spacesaver 38--need to locate the CH pump and contro... [Read more]

How can i fix my Glow Worm 20 - 30F?

The boiler only starts the fan and fires up if i blow into the Air Pressure Switch. The Mid Position Valve and... [Read more]

glow.worm micron 40FF Fanned Flue Boiler?

C.H hot water Kettles if room stat over 15c. I have turned down boiler temp.dial from high to low but this sti... [Read more]

How can I fix my Glow Worm 55F boiler?

Re-Glow Worm 55F Fuel saver boiler. Fault:- boiler fires up and remains lit for 40secs., it then cuts out for... [Read more]

glow worm fuelsaver 50ff?

hi boiler lights for about 30 seconds then cuts out ;changed pcb and new pump still the same any ideas

How can i fix my Glow Worm Space Saver 20 - 30F?

If i blow into the APS (via restrictor) the boiler lights up, heats and runs for about 5 minutes but will not ... [Read more]

Glow Worm Spacesaver bangs & crashes when starting?

I have a wall hung 65000 BTU balanced flue boiler in our kitchen, it came with the house 25 years ago (when ne... [Read more]

My glow worm fuel saver F boiler lights but cuts out after just 30 seconds?

I can light the boiler but will cut out after approx 30 secs, not sure if boiler, pump, thermostat....any idea... [Read more]

Glow-worm Fuelsaver 80F takes 40-50 mins to ignite?

when the system first starts up, the pump runs,the fan run but takes at least 40-50 mins to ignite. Once the b... [Read more]

Glowworm / Glow worm compact 80e locking out not working !!?

Hi I have a new compact 80e installed which I bought about 1 year ago. The boiler was a surplus and had bee... [Read more]

We think we have an airlock in our hot water system?

We drained our central heating system down, and now having apparently filled it up again the boiler is working... [Read more]

glow worm fuel saver mk 11?

my glow worm fuel saver mk 11, when i put on my boiler, it makes a banging noise, it fires up, and then cuts o... [Read more]

How can I diagnose my Glow worm Fuelsaver F100 boiler problem?

My ageing, but until now perfectly reliable, Glow worm wall mounted central heating boiler appears to have dev... [Read more]

blockages?

how to fix a blockage from the glow worm boiler flow pipe to the pump

Glow Worm Space Saver Mk2 - Cutting Out- No Hot Water?

The boiler was ticking over on the pilot light. After switching the system on/off I couldn't hear or feel any ... [Read more]

Boiler creating air?

Need some advice concerning my central heating/water boiler. The system is fired by a Glow-worm Fuelsaver 30-... [Read more]

Glowworm 30ci leaking?

A couple of days ago, I noticed that the heating was off. I used the internal control to fire it up, but there... [Read more]