How to mend ... Heating Pressure Glowworm

glowworm swiftflow losing pressure?

my glowworm swiftflow loses all water pressure everyday which i have to keep re-pressurising daily or no hot w... [Read more]

glowworm 30ci, no heating hot water ok?

hi my central heating does not work but i have hot water and the pressure guage reads 0.6 bar. how am i able t... [Read more]

GlowWorm Swift flow 80 combi boiler-pressure too high???

Can anyone help me as I am paranoid my boiler is going to blow up every time I put the heating on, so I am now... [Read more]

Can I modify my heating system to mains pressure?

I have a Glowworm Ultimate - I have no info about it although the control unit says on it that it's for a 30, ... [Read more]

glowworm swift flow 80 (honeywell) combi boiler?

hiya my central heating wont work, i've tried bleeding the rads and all seem ok but i think there may be an a... [Read more]

how to light my glowworm boiler?

I have had problems in the past and have changed the air pressure switch and printed cicuit board which cured ... [Read more]

Should my combi boiler come on when the cold tap is used..??

I have recently had a Glowworm combi (30cxi) installed - everything appear to be working fine, but I have noti... [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]

Expansion vessel replacement?

Hi all, I have a Glowworm 80e combi with pressure issues. Low pressure on the gauge (sub 0.5bar). Fillin... [Read more]

Glowworm Compact 80e pressure rising?

Hi, Ive recently had low pressure on the central heating system, so bled radiators and used filling loop t... [Read more]

High central heating water pressure - (Glowworm swiftsure 100)?

Hi folks, any ideas on this one? My central heating water pressure on the combi boiler keps increasing until ... [Read more]

Glowworm boiler - got heating but no hot water??

Our boiler - glowworm compact electronic (can't find a model no.) - has stopped giving us hot water, but our h... [Read more]

glowworm 24ci?

hot water ok all day long . when i turn on central heating burner ignites warms up to 30-35 c then shuts down... [Read more]

My glowworm 100e boiler is broke and im freezing please help!?

Hi, I have a Glowworm 100e fanned flue combination boiler and it won't work. We turned it on yesterday, it sou... [Read more]

pressure fault on combi glowworm 30ci plus?

Ref above boiler - i noticed presure drop and cut out at .3 bar. refil didnt work so i replced fill loop. all ... [Read more]

Glowworm combi boiler pressure rises when central heating on?

My Glowworm 30ci combi boiler has an operating pressure of 1.5 bar but when I switch on the central heating th... [Read more]

Glowworm Ultimate 40FF - main burner keeps going out and relighting?

The pilot lights, its continues to spark then the main burner lights then the main burner goes out after a few... [Read more]

Heating but no hot water?

I have a glowworm 30 Ci combi boiler which has been great since it was installed. but yesterday the hot wate... [Read more]

how do i reduce the pressure on my 30si glowworm combi boiler?

when on water heating only the pressure reverts back to 1.2 bar instead of the 1.0 bar. when on both heating ... [Read more]

Radiators are not working on my Glowworm Compact Electronic?

The radiators are not working on my Glowworm Compact Electronic combi-boiler. I,m getting hot water but no rad... [Read more]