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Mend Vaillant

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Mend boiler vc gb

Vaillant Boiler completely silent when should be firing!?

My boiler is a Vaillant VC GB 142 EH (GC No. 4104409). Usually when it fires up, there is a whirring, then it ... [Read more]
Mend vaillant ecomax boiler

Pressure drop on Vaillant ecomax 828/2e Condensing Boiler?

Keep having to top up the boiler every other day as the pressure keeps dropping, would replacing the pressure ... [Read more]
Mend vaillant boiler service

Why is my Vaillant Turbomax VUW boiler pressure dropping after a service??

Hi, I had my boiler serviced and repaired (replacement diaphragm and push rod as micro switch wasn't workin... [Read more]
Mend problem vaillant combi

clock problem on vaillant combi boiler?

I have a Vaillant Turbo Max VUW BB242-5 The problem is the the central heating doesn't come on or turn off, l... [Read more]
Mend vaillant combi boiler

how can i fix my vaillant combi boiler?

hello how can i fix my vaillant combi boiler as when i put the heating on the boiler fires up straight away bu... [Read more]
Mend code vaillant boiler

what code 5.1 means on vaillant turbomax vuw gb 242-5 boiler?

my boiler plays up on running my hot water, the info button lights up and upon pressing it the code 5.1 comes ... [Read more]
Mend vaillant combi boiler

How can i fix my Vaillant combi boiler?

The water pressure drops quite fast when the central heating is turned on. Looking at the external overflow p... [Read more]
Mend vaillant combi boiler

pressure too high?

the pressure on my vaillant combi boiler keeps going too high. A service engineer lowered the pressure and re... [Read more]
Mend vaillant vcw bar

no pressure on vaillant GB221?

Vaillant VCW GB221H type c. Pressure bar is on zero, resulting in difficulty firing up and also lower water ... [Read more]
Mend vaillant combi boiler

vaillant combi boiler?

there is a red knob underneath the combi boiler to the right what does it do ?
Mend fault boiler system

f28 fault is showing on my vaillant boiler system?

f28 fault is showing on my vaillant boiler system. how do i fix it??
Mend water vaillant pressure dropped

Combi boiler-pressure low-hot water ok?

Hi, I have a Vaillant Turbomax 242/282e boiler and the pressure has dropped to 0.5. Hot water is fine from al... [Read more]
Mend vaillant located boiler

Vaillant VCW sine_18 T3-wax capsule?

Can anyone tell me where the wax capsule is located in this boiler & provide me with a brief description on ho... [Read more]
Mend vaillant water green light

how can i fix my vaillant turbo+824e?

no hot water. green light flashing on F1
Mend vaillant error code

Vaillant f22 error code?

I have a Vaillant combi boiler that I have had since new. A problem has now developed. Whenever I flush the up... [Read more]
Mend vaillant problem boiler

Vaillant VCW sine18 T3 WFH-hot water supply problem?

My boiler will not provide hot water at the tap unless it is running in heating mode when the tap is opened (p... [Read more]
Mend boiler combi opened

Please help with a Vaillant boiler? Turbomax combi 282e?

Hi, My Vaillant turbomax 282e c/h boiler is taking it's time lighting up after you've opened the hot tap. I ha... [Read more]
Mend boiler showing pressure water gauge

My vaillant ecotec boiler is showing a high pressure?

My Vaillant ecotec boiler is showing a high water pressure in the pressure gauge???
Mend vaillant combi boiler hot

How can I fix my Vaillant Combi boiler VCW 18 T3W FH?

Whilst using the shower, the hot water cut out. The boiler failed to fire up for water until I'd left it for ... [Read more]
Mend gb vaillant ignition

How to relight a VaillantWCW GB 221 boiler?

My vaillant WCW GB 221 boiler ignition light has blown out. How do I relight it. I don`t know which buttons to... [Read more]
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