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We have 722 questions about mending 'boiler problem combi' in category Heating, Home Heating Systems which have been answered

How to mend ... Boiler Problem Combi

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how do I rectify the fault as detailed below?

occasionally my vaillant eco tec pro combi boiler does not come on in the morning and a bmu error code appears... [Read more]
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i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?

i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not they have all been bleed but not wo... [Read more]
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Vokera Maxin 28e combi boiler, DHW runs hot and cold?

A few months ago DHW temperature started to fluctuate mildly between hot and warm. This problem got worse so a... [Read more]
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Problem with the pressure in combi boiler?

My valent combi boiler has problem with the pressure which keeps on falling which causes the radiator not to h... [Read more]
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Baxi Combi Instant HE80 boiler?

Intermittent fault on the hot water. Sometimes it comes on but when it doesn't I can sometimes get it on by tu... [Read more]
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Vaillant igniting issue ( domestic ) not CH?

Hello to everyone, I have a Vaillant sine 18 T-3 combi boiler that was installed in 1985. Have had parts repl... [Read more]
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how to fix f22 problem on boiler?

I don`t have a combi boiler but i do have a f22 problem.The pressure is fine but when i switch the water on,th... [Read more]
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Faulty Worscester 35 CDi loosing pressure?

My Worcester 35cdi has had 4 replacement heat exchanger's in less than 10 years the first 2 were within the fi... [Read more]
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combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]
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is my combi boiler repairable?

boiler burner comes on and off for a few seconds sometimes staying on what could be the problem
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E1 33 problem ??

Hi I have a potterton combi boiler its showing E1 33 fault can anybody help ???
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how to regulate gas?

hi we have a main combi 25 eco only four years old gas man says might be p c b but boiler shows no error codes... [Read more]
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No heating or hot water due to low pressure?

My Sabre HE condensing combi boiler keeps cutting out so I have no heating or hot water. I have to keep pushin... [Read more]
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Diverter Valve bypass?

Hello, I have booked a gas engineer to come to fix my Mains Combi 24 boiler that appears to have a diverter... [Read more]
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Constant rise of water pressure in valiant combi echo plus boiler?

How to fix the problem of water pressure rising into red zone during use of the boiler
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We have a combi logic 24 boiler?

Water will not heat display shows fault of L 2 flashing what can be the problem
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My feroli combi boiler pressure?

Hi, I have read through comments from previous questions but everything I have tried so far to reset the water... [Read more]
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Baxi Combi 80Eco?

The problem we have with our boiler is that after every time the hot water is used from the tap the boiler is ... [Read more]
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How can I fix my Vakera boiler?

I have a Vakers High Efficiency Combi Boiler, compact 29. The lights go through their sequence and stop on the... [Read more]
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Baxi combi 105e turned off to stop a leak but how to turn off gas?

i want to make sure my boiler is safe until i track down a plumber. I turned off the boiler at the mains whic... [Read more]

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