Fix Fault Vaillant

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We have 1279 questions about fixing 'vaillant'

how do you relite the polit light on a vaillant turbo combi?

how do you relite the polit light on a vaillant turbo


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vaillant combi no hot tap water?

I have a Vaillant combi boiler TURBO MAX PRO 24E only two years old and have had problems getting hot water to the taps. The diverter valve seems to be the problem , I have now set the central heating ... more


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MY VAILLANT BOILER IS LOW ON WATER HOW DO I FIX?

I HAVE HOT WATER AND NO HEATING AND THE WATER LEVEL IS TO HOW DO I FIX IT


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Vaillant VCW GB 242 EH?

I have a vaillant vcw gb 242 eh boiler that was already in my flat when i bought it, i have no idea how old it is but it worked fine. then a couple of months ago it started trying to ignite over and ... more


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vaillant vcw242e no ch?

boiler works fine in dhw mode but will not fire in ch. it will run the pump and fan and pressure switch and divert on the hydraulic valve and make the microswitch for ch. there is voltage 20 v at the ... more


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How can I fix my Vaillant Turbomax 282/1E combination boiler?

When I turn on the hot water tap downstairs I cannot get any hot water. On closer investigation the micro-switch attached to the diverter valve is not being fully depressed. I have trying bending the ... more


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How can I fill my Vaillant 824E turbomax with water?

One of the rads was cold so I undid the bleed valve but not realising I have drained the boiler which I did not know at the time was not self filling. Now I cannot see how to fill it up.


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Boilers?

Hi, We've just moved into a new flat and I am trying to work out how the timer on our vaillant boiler works. The clock makes a ticking news, but never seems to go round, and as a consequence the boile ... more


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Pump constantly running on Vaillant VCW GB242 EH?

I have recently noticed that the pump on my Vaillant boiler is running constantly even when there is no demand from either the DHW or CH. Everything seems to work ok when I require either DHW or CH bu ... more


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Central Heating won't stop and there is no hot water?

My problem has switched since I repressured my Vaillant Turbomax 824 boiler. The central heating was not working and the pressure was at 0.8. I followed instructions to repressurise and slightly overf ... more


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the second relay on my vaillant pcb arcs-no spark?

Why does the second relay on my vaillant turbo max 242E VUW ARC when it fails to spark and fire up.


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no spark and pressure defferential switch does not open?

My vaillant turbo max 242E vuw boiler does not spark; the water pressure defferential switch does not open up have replaced with new one; boiler does not fire up. Air pressure switch appears ok; diver ... more


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help me please?

i have asked before nobodys replyed yet! my vaillant boiler keeps showing faultsf.22 and f.29 when we try heating .whats wrong ,someone must know!!!!!!!!!!!!!!!!!!!!!


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There is no spark, igniter not working, biler not firing up?

my vaillant vuw 242e does not fire up. There is no "spark" at the igniter, near the burner, every thing else seems to be ok? please advise


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vaillant turbomax.How can I determine which model it is?

My villant turbomax is 5 years old .How can I determine which model it is?


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Get Hot Water Running Freely in Bath?

I have a combi boiler and lately I have had to top it up, since doing this the hot water in the bath (only that tap) runs well for a minute or two then runs to a trickle, is there an air lock and if s ... more


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What should I replace a Vaillant VCW GB 242 EH with?

I'm thinking about replacing my Vaillant VCW GB 242 EH. To make it as easy as possible I'm trying to find out if any replacements exist which would use the same installation template. With recent legl ... more


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Where can I get a manual for my Vaillant VCW GB 242 EH combi?

I have a Vaillant VCW GB 242 EH combi which is acting up. Just had a guy replace the pressure release valve for 100 quid. Now he says its too old and will have to be replaced. CH comes on when when th ... more


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Vaillant turbomax 824e not supplying hot water?

hi have a trubomax boiler which when running direct hot water on full setting and tap fully open seems to burn intermitanly and eventually locks out giving the f29 code which is insuficcent gas su ... more


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VAILLANT TURBOMAX VUW?

BIOLER WILL NOT FIRE UP. HAVE GAS, POWER AND IGNITION SPARK???


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