How to mend ... Water Valve Glow Worm

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]

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]

Glow worm space saver boiler problem?

I have a glow worm space saver boiler and the hot water cylinder is making noises. The thermostat is only eng... [Read more]

My bolier is a Glow worm 24 cxi wont fire up 0.3 bar reading?

How do I increase thr water preesure I cannot see ang toping up valve or loop

glow.worm 24ci fanned blue combination boiler g.c no 47-047-19?

we have been experiencing water loss through the boilers reduced pressure zone valve and although we top it up... [Read more]

How can I fix the water inlet valve of a 35ci Glow worm bolier?

The boiler is 2 years old but the pressure has dropped to 0.5 bar and has shut down. Normally I have been able... [Read more]

domestic water safety valve leaking on Glow-worm 30 ci plus?

Water leaks out of the 10 bar domestic safety valve on my boiler when it has been on for a while, its running ... [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]

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]

Heating works, but Hot Water doesn't... Glowworm Micron 40FF?

I've having a strange problem at home. If, via the Programmer, I turn the heating on the radiators come on.... [Read more]

glow worm 24cxi F9 fault?

I have replaced the Diverter Valve,Diverter Motor,the System Pressure Sensor and the Water Flow Censor,I am st... [Read more]

i have a glow worm swift flow 80 combi boiler, need help to repair?

dhw was intermittent and now i'm lucky if the heater fires up at all the pilot light is ok , i have fitted a n... [Read more]

how do i wire in line valves for glow worm boilers?

i need to wire two danfoss in line motorised valves (one for heating and one for hot water) off my glow worm 3... [Read more]

How can I stop pressure rapidly rising on my combi boiler?

I recently drained two radiators. After re filling and bleeding them, and repressuring my glow-worm 24ci combi... [Read more]

I have a glow worm 100e compact. The hot water runs cold when fully on?

When you back off the tap say 30% on it runs warm to hot but the flow rate is slower obviously and it takes lo... [Read more]

Glow-worm Fuelsaver Mk2 - Pilot light won't stay lit?

Hi all, I have the same boiler as Glen (Mk2 30B, 4131304) and seem to be in pretty much the exact same situ... [Read more]

Glow-Worm Space Saver problem?

I have a 20 year old Glow Worm Space Saver 38 Boiler which runs fine most of the time but has started to occas... [Read more]

slight leak on d.h.w.switch?

what is the cause of a slight water leak from the front of the diaphram valve on the d.h.w.side. Leak is from ... [Read more]

Glow-worm 30ci boiler water pressure problem?

i have a Glow-worm 30ci and have had constant problems with the water pressure, this often drops when the boil... [Read more]