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We have 392 questions about mending 'worm boiler hot'

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Mend Heating, Home Heating Systems

Glow worm Flexicom SX18?

The water pressure keeps dropping after the boiler is demanded ie hot water and central heating, but is stead... [Read more]
Mend Heating, Home Heating Systems

Intermittent boilet fails to fire on heating?

I have a 5 year old Glow-worm CX35i controlled by Drayton Digistat SCR and analogue timer (on the panel). The... [Read more]
Mend Heating, Home Heating Systems

gas boiler problems?

I have a glow worm 38cxi and it is about 5 years old it has been serviced yearly but it has always fluttered a... [Read more]
Mend Heating, Home Heating Systems

water from taps is boiling hot?

The boiler thermostat and the hot water tank thermostat are both working but this morning the water coming out... [Read more]
Mend Heating, Home Heating Systems

fault on combi boiler?

glow worm combi boiler no hot water showing f9 fault
Mend Heating, Home Heating Systems

Glow-worm 30cxl?

Started off blowing 3amp fuse in boiler, water cold but heating working ok, engineer came out and fitted a ser... [Read more]
Mend Heating, Home Heating Systems

help! glow worm betacom 24c no heating?

Ok here goes... the above boiler was working fine! After coming back from a weekend trip i noticed the hea... [Read more]
Mend Heating, Home Heating Systems

no central heating/hot water?

i have a Glow-worm combi boiler and is showing f3 how do i fix it
Mend Heating, Home Heating Systems

how to find a fault?

my sister-in-law has a glow-worm 30c boiler the central heatings ok but when they turn on dhw tap the water i... [Read more]
Mend Heating, Home Heating Systems

Have glow worm compact 80e boiler ?

Only get domestic hot water when central heating is on
Mend Heating, Home Heating Systems

glow worm 30cxi combi?

just moved into my house the boiler dial was on eco water was not hot enough for a bath, turned the dial as fa... [Read more]
Mend Heating, Home Heating Systems

Glow worm 30cxi F1 error - No hot water or heating?

We have had a new kitchen fitted not long ago and we had new wiring. The programmer for the boiler was broken... [Read more]
Mend Heating, Home Heating Systems

how do I refill my glow worm boiler or bleed it?

re-filled rads after installing additional rad. Bled all through - OK. Turned on pump - clanking and knocking ... [Read more]
Mend Heating, Home Heating Systems

Loud clanging/Glow-worm Boiler?

I have a Glow-worm Mark2 (oldish) boiler and the pilot light works, but when it fires up, it (and the pipes) m... [Read more]
Mend Heating, Convector Heaters

Glow worm ultimate 50 BF will not fire up?

My boiler Glow worm ultimate 50 BF will not fire up even though the pilot light is on. So I have no heating or... [Read more]
Mend Heating, Home Heating Systems

rdj10rf?

I have the above unit for a glow worm boiler. For some reasom (someone might have touched it!) there is an ... [Read more]
Mend Heating, Home Heating Systems

What does a flashing 3 mean on boiler control?

Glow worm flex icon cox no hot water control panel flashing 3
Mend Heating, Home Heating Systems

Glow worm betacom 30 c boiler error code 70 flashing?

Error code 70 flashing, boiler not lit, no hot water. replaced air pressure switch as that what the manual say... [Read more]
Mend Heating, Home Heating Systems

Could this be a problem caused by the boiler or is it with the wiring?

I have a glow worm ultimate boiler. The boiler is 12 years old and appears to be functioning perfectly. The pr... [Read more]
Mend Heating, Home Heating Systems

glow worm compact 100e hot water problems?

I have hot water problems on my boiler, two days ago hot water stopped working. Found one fault which was dome... [Read more]

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