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We have 2661 questions about mending 'central heating boiler'

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BG C1 Boiler (Bosch)?

Hi I have a British Gas C1 boiler and over the last 6 years it's had 3 heat exchangers. It is now showing si... [Read more]
Mend low gas boiler

Pressure low on Glowworm Swiftflow Gas boiler?

My swiftflow glowworm gas boiler is working perfectly and providing hot water when the central heating is on b... [Read more]
Mend ravenheat central heating heat

ravenheat rsf 84et central heating boiler?

i have just done aminor repair on the heat exchanger turned off gas and water on the boiler itself put it all ... [Read more]
Mend central heating sensor

Ferroli Domina 80E ?

I have changed central heating flow sensor also hot water flow sensor. Also changed the 2 electrical boards al... [Read more]
Mend heating hot water

Central heating but no hotwater?

My Glow-worm combi boiler is not generating any hot water but the boiler is flared up (lit). The central heati... [Read more]
Mend potterton wont light

Potterton 16/22 - won't light?

Hi there, Yes it's an old boiler, but there's not money to change it or even call anyone out. I'm on the ve... [Read more]
Mend turbomax 242 boiler

Vaillant Turbomax constant ignition?

I have a Turbomax 242 with an intermittant fault which has now become permanent. when the boiler is switched i... [Read more]
Mend vokera pressure drop

vokera 20-80 rs pressure gauge drop?

I have a vokera 20-80 RS. Lately the pressure gauge needle drops violently when hot tap or central heating is ... [Read more]
Mend prima boiler not fire up

Potterton / Profile Prima 40e boiler not fire up?

Allo: My old conventional Potterton / Profile Prima 40e boiler does not always come on. It sounds like it h... [Read more]
Mend halstead ace boiler

how can i fix my halstead ace boiler?

my halstead ace combination boiler has stopped switching over to give hot water when the hot taps or shower is... [Read more]
Mend boiler radiator light hot water ch

boiler on, radiator light on but no hot water or ch?

my central heating goes on for 5 seconds then off no flashing lights though
Mend Heating, Home Heating Systems

glow worn cx30 boiler leeking when cenrtral switched on?

my boiler leeks when central heating is switched on , but does seem to leek when hot water is on.
Mend central heating radiators

why don,t we have any hot water?

central heating heats the radiators, but not the water. boiler to 2x 2port valves. one for rads & the other fo... [Read more]
Mend hot water problem

hot water problem?

i have a ariston microgenus 11 24 mffi. when running hot tap at either full flow or reduced flow the boiler fi... [Read more]
Mend combi cold water

Problem with Ravenheat RSF 820/20 combi boiler?

I have just drained the hot & cold water from the system, when re-filled the central heating works fine, but t... [Read more]
Mend central boiler ideas

Water dripping from a gas central heating boiler?

Water dripping from a gas central heating boiler. No obvious source. Any ideas anyone?
Mend ferroli central boiler

How can I fix my Ferroli Optima 901 Central Heating Boiler?

I have a Ferroli Optima 901 C/H boiler and Scottish Hydro have diagnosed a leak from the 'isolation valve'. ... [Read more]
Mend Heating, Home Heating Systems

How do I fix my Ideal FF350 Slimline Classic Boiler?

My Boiler the Ideal FF350 Slimline Classic was fitted in 2003. I have never encountered problems and it has wo... [Read more]
Mend worcester greenstar 28i

worcester greenstar 28i?

when the boiler is turned on there is a blue light flashing fast, I havent got any hot water or central heatin... [Read more]
Mend boiler cut water

Why does my boiler cut out when water heater/ central heating kicks on?

I have a potterton kingfisher cf 55 boiler, which worked well until recently. Now I can have the system on, ... [Read more]

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