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We have 1196 questions about mending 'vaillant' in category Heating, Home Heating Systems

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my hot water keeps going cold?

I have a vaillant 828 combi boiler the central heating is fine, but when we turn the hot water on it does not ... [Read more]
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HOT WATER INDICATOR NOT ON?

I HAVE A VAILLANT TURBOmax VUW242/1/E. THE HOT WATER WILL ONLY WORK IF THE HEATING IS ON BUT THE INDICATOR LI... [Read more]
Mend Heating, Home Heating Systems

how do i fire up my vaillant boiler?

my boiler wont fire up.i've turned the main switch off,for a few seconds as instructed and then switch on,but ... [Read more]
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I need a service users manual for Turbomax242?

I would like to receive a service users manual for a vaillant turbomax 242 boiler
Mend Heating, Home Heating Systems

Low pressure reading ?

Vaillant VUW242E / VUW282E I have noted the lower guage on the right hand side reads zero when cold and .7 ba... [Read more]
Mend Heating, Home Heating Systems

Vaillant Turbo MAX 282E?

Hi i have a vaillant Turbo Max 282E i have a problem that when i open the hot water after 3-seconds it goes co... [Read more]
Mend Heating, Home Heating Systems

Vaillant boiler problem?

I dont know the model however when the switch is turned to central heating and hot water it works but when it ... [Read more]
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What's wrong with my Vaillant Ecotec Plus boiler?

When my central heating (but not hot water) is turned on there is a brief ignition of approximately 30 seconds... [Read more]
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Vaillant VCW GB 182E Combi Boiler?

The boiler provides hot water on demand but the central heating will not come on despite the boiler, thermosta... [Read more]
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Can anybody help with a Vaillant boiler with a fault code f33 ?

My Vaillant boiler (ThermoCompact) has a fault (again) of f 33. I am painfully aware of what it is (the last ... [Read more]
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Vaillant shows more than 50° c?

I have a Vaillant Gas Boiler. A year ago it didn't work and a lot of people tried fixing it. Now it does work,... [Read more]
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can i fix vaillant vcw gb 240 xh comb-boiler?

vaillant vcw gb 240 xh fab no 94 29315984 boiler is still working but... [Read more]
Mend Heating, Home Heating Systems

Vaillant 824E providing hot water but no heat???

Hi I have a Vaillant Ecomax 824E Boiler which has been working fine until 2 days ago. It's supplying us wi... [Read more]
Mend Heating, Home Heating Systems

Vaillant eco TEC boiler F22 problem?

i have a vaillant boiler and just now i used the kitchen tap water and there is not hot water. And, the boiler... [Read more]
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Vaillant Ecomax 824E Boiler Error code F05?

Help! The fault code F05 is flashing on the screen! what does it mean? i have no user guide, and none c... [Read more]
Mend Heating, Home Heating Systems

vaillant turbomax VUW GB242E LUKEWARM HOT WATER?

my boiler hot water isnt hot enough although boiler gauge shows 80 deg and the flow of water is normal. the bo... [Read more]
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vaillant vuw 828, central heating,what dose sh.f mean?

vaillant 828e when i put the boiler on the central runs for about min then stops and then stops and the proces... [Read more]
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Pilot light?

How can I fix pilot light for Vaillant VCW Gb 242 E, which is not coming on.
Mend Heating, Home Heating Systems

How can i fix my Vaillant boiler (ecomax pro) Fault code F04 + F01?

Hi My boiler is on the blink, i have a vaillant boiler (ecomax pro) it keeps cutting out and wont start up ... [Read more]
Mend Heating, Home Heating Systems

VAILLANT THERMOCOMPACT VU GB 182/1E BOILER?

NO FLAME, FLAME CUT OFF INDICATOR OPERATES STRAIGHT AWAY..HAVE CHANGED THE PCB'S ..BUT STILL SAME PROBLEM..PLS... [Read more]

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