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Fix Fault Vaillant

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We have 1280 questions about fixing 'vaillant'

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vaillant lpg water not getting hot in a caravan?

water going in but comes out just a bit hotter the heater fires up when you turn the tap on.

home Fix label Heating label_important Home Heating Systems category Vaillant

I have a switch 110 vaillant combi boiler?

The pressure had dropped to zero , i made a call and was told how to fill the boiler back upto pressure , great... the green light was on but now i have no hot water and no heating and 20mins after, i ... more

home Fix label Bathroom Appliances label_important Baths and Showers category Vaillant

vaillant combi not firing up?

after fitting an extra rad and refilling the system the vaillant turbomax plus 824/2e combi will not fire up for the c/h or hot water whats wrong any ideas ?

home Fix label Bathroom Appliances label_important Baths and Showers category Vaillant

vaillant turbo max 282e?

Hi i have a vaillant turbo max 282e The problem i am having is that when the boiler is running on central heating or hot water it goes off and then comes back on while i am in the shower the water go ... more

home Fix label Heating label_important Home Heating Systems category Vaillant

No heating but plenty of hot water ?

Here's a strange one. Vaillant VCW 242 EH. Heating cuts out after a couple of seconds but keeps trying to hold the main gas jets on without success. Pump working, can't find a blockage. Changed the di ... more

home Fix label D.I.Y label_important Plumbing category Vaillantdone

Valliant ecotec pro 28 installation cost ??

Hello I need to replace my old boiler (13 yrs old Pott. Puma 80) as only the heating works and the hot water is cold. Can someone please let me know if the following quote is correct from BG fo ... more

home Fix label Heating label_important Home Heating Systems category Vaillantdone

Con is flashing on my boiler system there is no hot water/heating?

vaillant-plus connection error display mainboard can someone help answer this question pls, no guess work pls Thank u!

home Fix label Heating label_important Home Heating Systems category Vaillant

how can i fix my Vaillant ecotec plus boiler?

everytime i switch it on it goes off after about 2mins then displays 5fh on the screen them goes back on after about 5mins what does this mean and how can it be fixed is it a major problem?

home Fix label Heating label_important Home Heating Systems category Vaillantdone

Vaillant will not start until I've reset. ?

Turbomax VUW282/1E. The boiler works perfectly until the end of the day when the timer switches it off. Next morning it will not fire up until I have reset. The 'Ignition indicator' flashes. Whe ... more

home Fix label Heating label_important Home Heating Systems category Vaillantdone

vaillant ecomax system boiler?

my boiler runs normally at low temperature, but when I turn it up above 5 on the temperature dial the starts to bang as if gas is exploding in the combustion chamber but no fault codes are showing on ... more

home Fix label Heating label_important Home Heating Systems category Vaillant

dhw diaphram?

where is the dhw diaphram located on a vaillant combi boiler?

home Fix label D.I.Y label_important Plumbing category Vaillantdone

no hot water in taps?

vaillant combi central heating on radiators are coming on but no hot water coming though the taps

home Fix label D.I.Y label_important Plumbing category Vaillantdone

vaillant 18 t3w combi?

t3w 18 combi pilot light okay and lit ,pump running but no heat or hot water,differential valve okay.solenoid does not lift .overheat stat okay faulty solenoid or pcbnot sending electrical signal?

home Fix label Heating label_important Home Heating Systems category Vaillantdone

vaillant boiler 824E hot water not working on its own?

Hi there hot water only works when the central heating is turned on from thermostat and the tap light on the boiler is not illuminated.

home Fix label Heating label_important Home Heating Systems category Vaillantdone

whats wrong with my vaillant boiler?

when i turn the hot water on the water runs hot for 2-3 mins then runs warm

home Fix label Heating label_important Home Heating Systems category Vaillantdone

vaillant 824 2e ecomax no hot water or no c.h f32 code?

vaillant 824 2e ecomax have no hotwater or central heating not working display code f32 before this fan making creaking noise any help would be appriciate thank you in advance mohoscaruk

home Fix label Heating label_important Home Heating Systems category Vaillantdone

Ikon (Vaillant) Boiler problem?

6 months ago the boiler lost all power, the pcb was changed and seemed to rectify the problem. The same has happened again, loss of power at board. This time the board keeps blowing the 2amp fuse. No ... more

home Fix label Heating label_important Home Heating Systems category Vaillantdone

vaillant fan noise ?

vaillant 824/2e ecomax hot water ok central heating ok but after every 5 mins or 8 mins the fan unit make creaking noise for 20 or 30 or 40 seconds then creaking stop the fan is o.k

home Fix label Heating label_important Home Heating Systems category Vaillant

vaillant eco tec pro fault code "F28"?

No heating or hot water, red LED also lights up. tried to ignite boiler but no joy. How to fix it ?????

home Fix label Heating label_important Home Heating Systems category Vaillantdone

No water from hot taps with Vaillant ecoTEC plus 831?

System was installed 3 years ago and has worked well. Last few days we have been running in 24/7 and have lowered thermostat at night to background temperature and raised it again in the morning. ... more

home Fix label Heating label_important Home Heating Systems category Vaillantdone

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