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We have 696 questions about mending 'combi central hot'

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Mend combi central pressure

how can I fix my ravenheat combi white star LST80?

when I switch the central heating on it does work but the pressure guage goes up and when it stops the pressu... [Read more]
Mend start gas fire

How do i start up Baxi Combi 105e?

Hi my boiler, a baxi combi 105e has been switched off for a while and so has the gas. I have tried switchin... [Read more]
Mend turning combi boiler

Why does the Hawk II Optima keep turning on central heating without request?

I have a Hawk II Optima combi boiler which is around 10yrs old. I've pushed the selector switch to the disable... [Read more]
Mend hot central working

Alpha cb28 boiler. Hot water is fine but central heating isn't working?

Just attempted to start using central heating again after summer and it isn't working. Combi Alpha CB28 boiler... [Read more]
Mend hot heating replacing

how can I fix Combi Ideal Response 120. No hot water/central heating?

I am trying to fix an Ideal Response 120. After replacing the Limit stat, when DHW is turned on initially mach... [Read more]
Mend vokera combi boiler

How can I repair my Vokera Combi Boiler?

What is causing the temperature of my hot water to cut the boiler out at 45C and in at 33C. Central heating w... [Read more]
Mend we hot water we turn heating not

We get hot water when we turn on the heating but not otherwise?

If we turn on the external heating thermostat, the central heating system works (boiler fires and radiators co... [Read more]
Mend got hot water heating system

Why have I got hot water but heating system?

When I turn on combi boiler all I have is hot water. There is no central heating - What should I do?
Mend boiler fault fan

how can fix my baxi combi instant boiler 105e?

the little LED's are lit up to show that theres no flame, theres a fault on the fan or flue and the safety the... [Read more]
Mend vaillant combi boiler hot

How can I fix my Vaillant Combi boiler VCW 18 T3W FH?

Whilst using the shower, the hot water cut out. The boiler failed to fire up for water until I'd left it for ... [Read more]
Mend vaillant help boiler

Vaillant Turbomax 242E problem?

Would be very grateful for your help here, I have a Vaillant Turbomax 242E combi boiler that in the last Two d... [Read more]
Mend water pressure filling

How can I fix my Ferroli combi boiler losing water pressure?

I have a Ferroli Moderna combi boiler and have to keep on re-pressurising the system (by using a filling loop)... [Read more]
Mend combi boiler switched hot

Faulty Ideal Classic NF80 Combi Boiler?

Hi, our boiler will not work properly. When it is switched for hot water only it fires even if the water is no... [Read more]
Mend light turn hot

how do i light the gas on my worcester combi 24si?

my combi wont light when i turn on the hot water or central heating it is a worcester 24si is there an ignitio... [Read more]
Mend light central checked

How can i fix my puma combi boiler?

The pilot light does not come on I have no central heating or hot water. We have checked the water system and... [Read more]
Mend combi boiler turn water taps

Worcester Bosch 24CDi combi boiler?

When I turn on the hot water tap the water goes to taps and central heating radiators. Water from tap is only... [Read more]
Mend required combi boiler

how can i fix it and replace parts required on combi vokera20/80rsflowmatic?

when opening hot water tap boiler delays in firing up when it starts the water temperature goes to 60c the sup... [Read more]
Mend combi hot water central

How do i fix my Worcester 24 si 11 combi?

It runs Ok on domestic hot water , but on central heating after the initial 1st run upto temperature the boile... [Read more]
Mend worcester rsf central

worcester bosch 230 combi rsf?

No hot water, only when central heating on. I have identified the problem as being the diaphragm plunger is... [Read more]
Mend baxi bahama 100

BAXI BAHAMA 100?

I HAVE A BAXI BAHAMA 100 COMBI BOILER, THE CENTRAL HEATING WORKS FINE, BUT THE HOT WATER IS NON EXISTANT! ... [Read more]
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