How to mend ... Best System Pump

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]

Baxi 310 Luna Fi combi boiler - low pressure/pump fault?

I have an LED light error stating a low pressure or fault on pump. I have repressurized the system (which work... [Read more]

Problems with Ravenheat Combi RSF Fanned?

Boiler has no markings on, but have manual that says... Fanned Combi RSF 84E - RSF 100E RSF 84ET - RSF ... [Read more]

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]

How to solve Vokera Linea 24 slow pressure rise?

I've had the above boiler since about 2001, and it's been working well. The only thing I've changed since is t... [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]

how can i fix my worcester junior 28?

boiler makes kettling noise when heating is warming up theres no air in system ive bled it and a new pump has ... [Read more]

Making a noise?

I have a noise coming from my loft (I think as I cannot pin this down). It sounds like a kettle boiling. It... [Read more]

How can i put pressure in expansion vessel on vokera 20/80 rs flomatic?

I have a problem with pressure on my pressure gauge when my central heating is on the pressure goes to just co... [Read more]

Glowworm Micron 50ff - What is a non-volatile lockout and what fix?

Hi everyone, I've found some old threads on Glowworm Micron 50ffs which seem to suggest that my boiler was ... [Read more]

Fault code 04 with Vokera Linea Max combi?

The boiler keeps shutting down or not starting and shows error code 04 - insufficient pressure or flow, but th... [Read more]

over heating problem ideal- ISAR HE30?

Can someone please help me,my boiler is just out of gurantee and have problem code L followed by 9.......i pre... [Read more]

How do I fix my central heating pump?

Central heating not working, pump making funny noises. Is it best to replace the pump? I can get a new pump bu... [Read more]

Hot water cutting out?

Hi, I have a vaillant 837E turbomax and from time to time the water will not heat on opening of a tap. Wh... [Read more]

My boiler makes banging noises when cutting out (Potterton PrimaB)?

When the boiler cuts out it makes enormous banging noises. The pilot usually remains alight and the boiler wil... [Read more]

i have a vaillant 837e boiler which indicates f24 in the display panel?

my vaillant 837e stops heating water and central heating once or twice a day,when it does this fault code f24 ... [Read more]

40 Riello?

Hi Folks is it possible to check the electrodes and or the pump in this system (40 Riello burner) I want to is... [Read more]

Can I run my boiler without the CH pump for Hot Water only operation?

My heating system comprises new(ish) boiler (Potterton Suprima 100), hot water cylinder (with cylinder jacket)... [Read more]

Glow-worm K.F.B... how to fill??

my brothers central heating sounds like a kettle without water when he turns it on, the pump in the upstairs a... [Read more]

potterton netaheat 10-16?

Help!!!! Boiler comes on in normal way, but every now and then , it starts to rumble and bubble scalding hot ... [Read more]