How to mend ... Worm Ultimate Hot

Glow worm Ultimate 40FF very noisy?

When central heating or hot water turned on there is a loud whirring noise coming from the system. The system ... [Read more]

How can I fix my Glow Worm Ultimate 70ff ?

When the hot water comes on, the central heating also comes on, eventhough the heating on the control panel is... [Read more]

GLowworm Ultimate 60FF - the heating works but the hot water does not?

I have a Glow Worm Ultimate 60FF, the hot water system is not heating the water however the central heating wo... [Read more]

Glow-worm ultimate 50FF?

Hi, we have just arrived back from holiday where the hot water/central heating system was switched off for one... [Read more]

glow worm ultimate central heating not igniting, pilot light on, hot water ?

how can I fix glow worm ultimate. I have hot water but no central heating. The pilot light is on but there is ... [Read more]

Boiler Problem?

I have a Glow-Worm Ultimate 120FF central heating boiler that stopped working last week. Under my Direct Line ... [Read more]

Whats wrong with our Glow worm ultimate bolier, it keeps firing up?

Our boiler sounds like it is constantly firing up and when its not firing up it sounds like its ticking or spa... [Read more]

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]

Glow-worm Ultimate - topping up tank in loft?

How do I top up the pressure on my Glow-worm ultimate system?The controls are on, pilot light on but radiators... [Read more]

how do I top up the pressure on my Glow-worm ultimate system?

The controls are on, pilot light on but radiators not getting hot. I have been advised to top up the pressure.... [Read more]

My boiler cuts out?

When i turn on my Glow worm ultimate gas boiler it works perfectly for a while (water heats up and radiators h... [Read more]

Glow worm ultimate 60ff?

The hot water works ok when the thermostat is turned up the boiler starts up until the waters is hot But when ... [Read more]

Relighting Glow Worm Ultimate boiler?

help I am trying to relight a Glow Worm Ultimate boiler that is use only for central heating. I have tried to ... [Read more]

Glow worm ultimate 40ff ultrahot water!!!!!?

Hi, I have the above boiler with potterton ep3002 timer and potterton room stst with hot water cylinder stat ... [Read more]

Glow worm ultimate 50 ff boiler?

We have a glow worm 50 ff boiler , we have no heating but hot water .

What's wrong with my Glow Worm Ultimate Boiler?

My boiler has started to make noises when it first comes on and when the heating goes off. They are banging n... [Read more]

Glow-worm Ultimate Boiler - no pilot light & not firing?

We got up this morning & the hot water was freezing, no heating. The pilot light is off and wont relight & doe... [Read more]

Glow-worm Ultimate?

Dear Sir/Madam, Re: Glow-warm Model No. Ultimate. I am writing to you to get more information with reg... [Read more]

Glow-worm ultimate lpg boiler?

how can i increase the gas flow to the pilot light. it lights up but is not hot enough to trigger the main fla... [Read more]