How to mend ... Boiler Water Glow Worm Combi

glow worm compact 100e combi boiler?

when on hot water mode really loud humming noise very loud. no noise when in heating mode

Glow Worm Combi Boiler Hot Water problems?

I have had a plumber out 5 times recently - to service and fix this boiler. It last had a washer on a leaky p... [Read more]

How can I fix my Glow-worm 30cxi - hot water goes cold when having a shower?

Hi, I've had this 30cxi model for about two years now and have had no major problems apart from the pressure ... [Read more]

where can i buy the diaphram for glow worm 100e?

Where can i get a diaphram for my glow worm combi boiler. I have the same problem with the hot water. Thanks

How can I fix my glow worm boiler SXI?

The Boiler is lit and the hot water is fine, however although the water pipe is hot no heat is coming through ... [Read more]

glow-worm 30sxi combi boiler ?

f9 fault coming up no hot water or heating what is it + how to fix it please

pressure gauge falling?

the black needle on Glow-worm swift flow 80 combi boiler is low, but it also flickers when you turn on the hot... [Read more]

Why do the upstairs radiators come on when i run the bath?

I have a Glow-worm 38cxi combi boiler. Just recently the hot water runs just warm even if it is turned to maxi... [Read more]

How to fix a Glow worm 24cxi that whistles loudly?

Anyone managed to fix a Glow worm 24cxi combi boiler that whistles loudly (maybe 80dB!) only when - it is at ... [Read more]

glow worm 30 cxi combi boiler - no central heating!!?

The central heating no longer works, the hot water is fine though. when i attempt to switch the central heatin... [Read more]

can a combi boiler run hot water when the CH system is empty?

I have a glow worm 30ci combi boiler. A radiator pipe has sheared off (oops) right next to the wall it comes ... [Read more]

What is an F4 fault on a 24CXI GLow worm combi boiler? ?

Hi please please can someone help. The combi boiler we have flashed an F4 code, since then we have had no heat... [Read more]

Glow worm (C30i) F5 flashing light?

Glow worm C30i combi gas boiler showing a red flashing light F5. No hot water & no heating. Tried re-setting,... [Read more]

Saunier Duval Boiler - SD30e cutting out?

Hi, I have an SD30e combi boiler (exactly the same as a Glow-worm compact) and recently a diaphragm had to be ... [Read more]

How do I stop my Glow-worm Combi-Boiler overflow from emptying the system?

There is something wrong with the overflow mechanism on my boiler. The central heating water pressure shows 0 ... [Read more]

glow-worm 30cxi not able to top up with water?

Hi, I have a Glow worm 30cxi Combi boiler, I can only find one tap underneath the boiler to top up with pressu... [Read more]

How to fix a Glow Worm 35ci combi boiler?

The heating is working but the hot water suppy only gets luke warm. The water gets slightly hotter if I reduce... [Read more]

Heat Upstairs But not Downstairs?

I have 6 radiators in my house, 4 upstairs and 2 downstairs. My upstairs radiators are fine but I have a probl... [Read more]

Glow-worm combi boiler 100e information urgently needed?

where is the diverter valve on a Glow-worm 100e combi boiler and what do i need to do to change the diaphragm ... [Read more]

Pressure rising each time boiler used?

Have Glow-worm Combi 30ci plus. Had the (cracked) expansion vessel replaced after leaking. Boiler pressure now... [Read more]