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Fix Fault Vaillant

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We have 1280 questions about fixing 'vaillant'

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vaillant VUW 242E absolutely no power - how do I find the fuses?

My vaillant VUW 242E has no power to it. The rest of the house is fine - all plugs and all lights. I wonder if a fuse has blown somewhere....how might I find it/them? Thanks

home Fix label Heating label_important Home Heating Systems category Vaillantdone

leak on my combi boiler vaillant turbo max 242e 282e?

i know were its leaking from but dont know the name of the part . have you got a diagram of internal parts with names showing there all called. thanks

home Fix label Heating label_important Home Heating Systems category Vaillantdone

how to fill my vaillant combi without a manual?

I have just moved house and the solicitor has lost the manual for the central heating. My Vaillant combi boiler pressure guage is at 0. I gather that it needs refilling but do not have the manual for ... more

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my Vaillant ecotec keeps coming up with f75?

My vaillant ecotecpro28 keeps on coming up with f75. Sometimes it can be reset, other times it wont.The boiler is just over a year old and just out of gaurantee! Please help... Any Ideas? Thank You

home Fix label Heating label_important Home Heating Systems category Vaillantdone

How can I refill water to increase the pressure?

The water pressure in the combi boiler Vaillant Turbo Max 242/1E and/or 282/1E is low. How can I refill it?

home Fix label Heating label_important Home Heating Systems category Vaillantdone

how can i fix my vaillant combi boiler?

our boiler's pilot light won't ignite. we have drained rads and refilled the boiler to 1.5bar of pressure which we were told this would work. everything seems to be working except gettin it to re-igni ... more

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how can i fix my vaillant turbomax 242e?

the display on the boiler is reading f28 what does that mean i have no heating or hot water

home Fix label Heating label_important Home Heating Systems category Vaillantdone

Pressure drop problems with Vaillant thermocompact VC GB 282E?

Dramatic pressure drop began with last cold snap about two weeks ago - water churning noise overhead (boiler in former attic space, now part of the flat) woke me at 7 when boiler comes on - pressure a ... more

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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 last november it started trying to ignite over and over again ... more

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low pressure on vaillant boiler?

The pressure is very low on my boiler, I've tried to fill it up by turing the water valve on the bottom of the boiler to line up with the pipe. But the pressure does not change. Whats wrong?

home Fix label Heating label_important Home Heating Systems category Vaillantdone

Vaillant ECOTEC COMBI headache?

Ive had fitted a brand ne Vaillant Ecotec combi, hot water works fine heating doesnt, it cycles on and off for 2 seconds, but when the cold supply is turned off to the boiler and the boiler reset, hea ... more

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how can i fix my boiler again vaillant turbomax vuw 242e?

for the second time my boiler is not producing heat. I can still get hot water but the main boiler does not ignite when asking for heat. i have changed the fan twice in the last two years but cant und ... more

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my Vaillant thermocompact combi will not light. fault no f.28?

I switched off boiler to flush out a cold radiator. Refilled system till pressure was ok,bled the system ok,switched boiler back on and after a minute or so fault no 28 is displayed. In the manual th ... more

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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

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

what reason for air intake valve to domestick hot water expansion vessel

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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

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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

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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

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