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Fix Fault Vaillant

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We have 1280 questions about fixing 'vaillant'

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Vaillant Turbo Max VUW 242/1E, 282/1E?

This is a similar question to one already posted. The central heating works fine. Unfortunately no DHW. Answers to the other questions point to the flow switch being blocked/broken. Is this a possibl ... more

home Fix label Heating label_important Home Heating Systems category Vaillantdone

vaillant boiler?

my old vaillant boiler doesnot want to fire up when hot tap is opened

home Fix label Heating label_important Home Heating Systems category Vaillantdone

Vaillant turbomax plus 824e tripping power?

hi all, apologies for the lengh of this question/summary/ i have a vaillant turbomax plus 824e. over night for some reason it knocked the mains power off, so i switched it back on and found ... more

home Fix label Heating label_important Home Heating Systems category Vaillantdone

vaillant tubomax 828?

it went off suddenly now no power goes to it no lights nothing. ive changed the fuse and the plug nothing is happening... i reckon its an internal fuse or the board.. would i be able to replace/fix th ... more

home Fix label Heating label_important Home Heating Systems category Vaillantdone

My boiler is displaying a fault code - F32?

My boiler is displaying the fault code F32 - there is no hot water. How can I fix this? My boiler is a Vaillant ecoTEC plus.

home Fix label Heating label_important Home Heating Systems category Vaillantdone

My (9 year old) Vaillant combi boiler has just stopped producing hot water?

My boiler has just stopped producing hot water. The heating still works, but the hot water will not kick in. Any ideas, before I call out a plumber.

home Fix label Heating label_important Home Heating Systems category Vaillantdone

f.25 fauly code?

i have a vaillant ecomax combi boiler,every now and then it shows me the fault code f.25.in the book this says its something to do with the water switch.how do i fix it.sometimes i may be using shower ... more

home Fix label D.I.Y label_important Plumbing category Vaillantdone

Vaillant Combi VC242EH switch for hot water not clicking in?

I have a Vaillant Combi boiler 242EH but cannot get ant hot water through, without removing fron lower panel off boiler & manually pushing over the cam to operate the micro switch (with hot tap runnin ... more

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Vaillant 282E low pressure?

After removing a radiator and filled the boiler, the pressure stabilised for 2 hours then went up to 3 bar. The system drained the water out. Since then I have not been able to fill the system. I h ... more

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How do I fix my Vaillant Boiler?

I have a Vaillant Boiler system. A the moment I have NO heating and NO hot water! To double check the pressure does the white lever have to be above or below the red one? How do I adjust it? Is the ... more

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my vaillant combi boiler makes a whinning noise when the hot tap is turned?

my vaillant combi boiler makes a whinning sound when the hot tap on the sink is turned on

home Fix label Heating label_important Home Heating Systems category Vaillantdone

How do I top up water in system?

I have drained water from radiator prior to moving it But am unable to find where to add water to replace it. Two thirds of the radiator is hot but not the top third. The Make is Vaillant Combi-Compac ... more

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No Hot water Vaillant GB 242 EH?

Iv'e just had the main circuit board and spark transformer replaced on my Vaillant GB 242 EH combi to correct a failure to ignite. It seemed to do the job as the central heating seems to work but the ... more

home Fix label Heating label_important Home Heating Systems category Vaillantdone

where can i get a wax capsule for my sine 18 t3w?

hi can anybody tell me where i can get a wax capsule for my vaillant sine 18 t3w. my supplier says he can only get the whole valve section and no longer the capsule by itself? is this really true ?

home Fix label Heating label_important Home Heating Systems category Vaillantdone

fault code f.25?

my boiler wont work cause of a fault code f.25. This tells me in my book that the system pressure is too low, Can i fix this myself and if so how? vaillant ecomax 824/2 e

home Fix label Heating label_important Home Heating Systems category Vaillantdone

how can i wire a vaillant open flue system boiler vcg 242?

I have a vaillant thermocompact boiler that will not ignite, the ignition wires blue and brown soon as you plug it into the socket even without switiching it on the fuse at the mains trips. any inform ... more

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ignition wire trips at the mains on vcg242 vaillant open flue system boiler?

when i plug in the ignition wire into the mains it trips without even switching it on- it switches off at the mains circuet board util i unplug it. thanks for any info.

home Fix label Heating label_important Home Heating Systems category Vaillantdone

vaillant turbomax vuw 242/1e ignition problem?

my vaillant turbomax 242/1e constantly switches itself off,and the auto ignition goes into lockout,(there is no set time or pattern to this ).it ignites manually every time,the engineer has replaced n ... more

home Fix label Heating label_important Home Heating Systems category Vaillantdone

No hot water from my Vaillant?

My Vaillant Ecomax 600 looks like its running normally but we're not getting any hot water out of any taps. The heat (radiators) is working normally and there are no fault codes. Any recommendation ... more

home Fix label Heating label_important Home Heating Systems category Vaillantdone

how can i wire a vaillant open flue system boiler vcg 242?

Hi I have a vaillant open flue system boiler vcg 242, as i am informed but not sure. we took it down during renovation work and now we forgot how the wiring is done. we dont have a manual for it. i ... more

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