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Fix Fault Vaillant

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We have 1197 questions about fixing 'vaillant' in category Heating, Home Heating Systems

problem Vaillant Turbomax Plus 828E error f22?

The boiler works 100% for the radiatoer but once we open a hot water tap it might hold a few minutes or shut off.A error F22 is shown. We had a plumber in that changed the heat exchange and took all t ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

d/h/w expansion vessel is air to be added vaillant 242?

what reason for air intake valve to domestick hot water expansion vessel
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Why is water from bath tap not as hot as the water from sink taps?

I have a Vaillant VUW 242/1E or 282/1E combi boiler. The water coming out of the taps is always very hot, however, the water coming out of the bath taps is not hot enough for a bath.
home Fix label Heating label_important Home Heating Systems category Vaillantdone

How does central heating turn itself on when timer is off?

I have a Vaillant THERMOcompact 624E. How does the heating turn itself on at times when the timer is switched off. Is this just a faulty timer switch?
home Fix label Heating label_important Home Heating Systems category Vaillantdone

no hot water, combi boiler, vaillant vcw sine t3w?

not getting hot water when turning the tap on, sometimes the tap has to be turned on full then the combi boiler clicks and in a few minutes the hot water is on, other times it does not work at all so ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

My Vaillant Boiler is sounding a quiet singing note every 15 mins or so!?

My Vaillant Boiler is sounding a quiet singing note every 15 mins or so! We have just moved in with little money for exploritary tests. This thermocompact gas boiler is the wall hung, room sealed, fan ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Intermittent Fault Vaillant turbomax VUW 242E?

How can I fix my Vaillant Turbomax VUW 242E? My boiler is 8 yrs old. The flame indicator illuminates but then after about 15 seconds the burner lock out indicator goes out and so both the central ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

I need to fix my combi boiler - Vaillant 242 E?

Whenever the boiler goes to light it blows the E2 fuse - Any ideas as I do not have the light up sequence and it blows almost immediately.
home Fix label Heating label_important Home Heating Systems category Vaillantdone

How do i fix my. [boiler, vaillant,turbo max E24] no hot water?

How do i sort out the problem of only getting hot water when heating is on.
home Fix label Heating label_important Home Heating Systems category Vaillantdone

How to fix/diagnose problem with my Vaillant combi boiler VCW-GB 242E?

When the hot tap is run or the heating switched on, the boiler ignition continues to spark, but the boiler does not ignite. On the front panel, the red fault light does not show any fault (illuminate ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Wiring instructions for Vaillant VCW T3W combi boiler?

Does anybody have wiring instructions or know where I can get them for a Vaillant combi heater VCW T3W? Thanks
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Vaillant Boiler Identification?

Is there any way of identifying what version my boiler is ?
home Fix label Heating label_important Home Heating Systems category Vaillantdone

how can i fix my vaillant turbo max vuw gb242-5 turbo max plus 824e?

i have a problem with my boiler there is nither hot water or heathing.as soon as i turn my boiler on it turn itself off.the message on the temperature gage is f.20 or f.22.its xmas.plzzzzzz help. tha ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

HELP! Vaillant combi inop. No Spark VCW GB 242EH?

I have a Vaillant Combi VCW GB 242 EH and it will not ignite, No Spark, No Gas (No Voltage to Ignition Module for Ignition leads nor voltage to gas valve) Fan runs when Heating switched on, have repl ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

No Spark VCW 242 EH Vaillant Combi?

Hi need some help please. I have a Vaillant Combi VCW 242 EH & it will not fire up. It has no spark, pump & fan runs fine. Have already tried a flame & spark supervision board & an electronics board. ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

how can i fix Vaillant combi not sure on model?

Vaillant combi i have put in a roomstate to the boiler and used the wrong connections put it in to 4 and 5 instead of 3 and 4 and blown one of the 3 fuses on the boiler i have replaced the fuse but t ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

vaillant ecomax foult code f.25?

please help can't get my boiler to work at all (vaillant ecomax i think it's 800 series) keeps displaying foult f.25 which is not mentioned in the manual anybody knows what to do? i'm freezing
home Fix label Heating label_important Home Heating Systems category Vaillantdone

have vaillant eco max 828 will not heat on demand when on anti cycle ie s04?

have vaillant eco max 828 will not heat water on demand when on anti cycle ie S04
home Fix label Heating label_important Home Heating Systems category Vaillantdone

No hot water from Vaillant Turbomax 828E?

I am having problems drawing hot water from my Vaillant Turbomax boiler. Sometimes it will be fine but most of the time it takes an age, if at all, to get any hot water through. The diverter valve ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

What parts might I need for my Vaillant 282 and where can I get them from?

I have a vaillant 282 combi boiler and the radiators are running cool although the boiler shows about 30 degrees. The green adjustment knob on the boiler no longer engages with the control behind it a ... more
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Fix Fault - Heating, Home Heating Systems

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Fix Fault - Heating, Home Heating Systems

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