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Fix Fault Vaillant

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We have 1280 questions about fixing 'vaillant'

no power on fan?

Vaillant Turbomax VUW 242E fault no power on fan
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Low pressure on a vaillant 110?

My pressure is on 0 and I cant increase it... I have tried to look for a tap to turn but cant find one... Where abouts would it be....
home Fix label Heating label_important Home Heating Systems category Vaillantdone

how can I fix my vaillant boiler?

No heating, no hot water.The boiler goes on and off
home Fix label Heating label_important Home Heating Systems category Vaillant

How can I fix my Vaillant VCW-GB 242 EH?

CH works fine until any DHW flow is turned off. Burner goes out and stays out even though CH is calling for heat. Any ideas?
home Fix label Heating label_important Home Heating Systems category Vaillantdone

vaillant turbo max?

only have hot water when heating is on , have changed diaphragm, still same , if boiler on hot water only, and i run the tap, i can click on the micro switch which is on the diverter with a screwdrive ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

BOILER TOO HIGH PRESSURE?

I have a VAILLANT Compact and noticed the pressure is OVER 3. How do I reduce the pressure? There is also a small leak from one of the pipes immediately below the unit.
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Problem with the diverter valve - vaillant turbo max boiler?

My boiler is 13 years old but in good condition so I don't want to replace it. We've replaced the diverter valve twice, the last time being just over a year ago. The latest one's been intermittently ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

PRESSURE DROP ON VAILLANT 282E DHW?

WHEN USEING HOT WATER ON MY COMBI THE GUAGE PRESSURE DROPS AND WHILE IT IS RUNNING I HAVE TO FILL THE BOILER UP TO THE RIGHT PRESSURE 1.5 IM AFRAID IF I DONT IT MAY DO SERIOUS DAMAGE THIS ONLY HAPPENS ... more
home Fix label Household Appliances label_important Vacuum Cleaners category Vaillantdone

Problem igniting my water boiler: Vaillant Direct Power Mag?

Hello, can anyone help? I have a gas water boiler Vaillant Direct Power Mag , mounted in the kitchen which has started to give me problems. Most times when I turn the hot water on in the bathroom ... more
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Vaillant ecoTEC plus 837 pressure keeps dropping?

My boiler pressure keeps dropping to 0.4bar after a couple of hours even after refilling system to 1.5bar. There is no visible sign of leaks or water discharge on the boiler, pipes, radiators and pr ... more
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Any Guidance on a vaillant Turbo max 242 hot water?

I have found this site quite a usefull ome as have a Vaillant turbomax 242 Combi that like a lot on this site does not allways provide hot water but I do have a very good engineeer and we have manged ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Vaillant Combi boiler, no hot water through taps when central heating is on?

Hi There, We have a vaillant combi boiler which, for some reason, when we have our central heating on, no hot water comes through the taps, however when the central heating is off, the taps are fine ... more
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Vaillant Turbomax 828 problem?

This is a strage one! I am not sure whether my diverter valve is on the way out or whether something else is causing it not to work propertly. For last 4/5 years boiler has always been noisy when swit ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

vaillant vc112e not working?

i have checked the fan ok. the fuses ok. power yes gas yes water pressure 1.5 bar fault light next to ignition button not lit what do i check next is there a manual available
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Replacement of Pressure Differential switch?

How to replace Pressure Differential switch on Vaillant Turbo Max 242e
home Fix label Heating label_important Home Heating Systems category Vaillant

low pressure on my vaillant VCW 242EH?

my boiler was bequeathed to me by the previous owners, but they didn't leave me a manual! can anyone tell me the answer to this question? how do i top up the water level in what i assume is a closed s ... more
home Fix label Household Appliances label_important Vacuum Cleaners category Vaillantdone

vaillant vc112e boiler not firing up?

vaillant vc gb 112e lpg boiler not firing up. the red light next to the fault button is not on. i have checked the fuses. it hasnt been used for a while but was working last time it was used. the pump ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Vaillant Bolier?

We have 3 years old Vaillant ecomax 824/2 E bolier. The problems is that water level keeps going down (below 1 bar) with fault code F25. If I refill the system again then reset, the bolier starts to ... more
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how do i refill my vaillant boiler?

the presure on my boiler has fallen how do i fill it to top it up again
home Fix label Heating label_important Home Heating Systems category Vaillant

Heating but no hot water?

My Vaillant boiler has the radiators working fine but the pilot light indicator is off and the tap water is cold. Attempts to fix it light the flame but it goes off a few seconds later. Is it dead?
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Fix Fault

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Fix Fault

Audio Bathroom Appliances Boats Breakables Cameras Clocks and Watches Clothing Computers Cooling D.I.Y Furnishings Furniture Garden Tools Heating Household Appliances Kitchen Appliances Leisure Equipment Memory Musical Instruments Navigation Office Appliances Power Tools Security Systems Software Telephones Toys Vehicles Video

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