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Fix Fault Vaillant

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We have 44 questions about fixing 'vaillant' in category Bathroom Appliances, Baths and Showers

hot water?

how to switch the water prehating function off in vailant turbo max plus?
home Fix label Bathroom Appliances label_important Baths and Showers category Vaillant

Vaillant Turbomax 824 overheats very quickly in heating mode?

My Vaillant Turbomax 824e overheats in heating mode all of a sudden after 12 years working fine... I replaced pump as advised then fitted new bypass after talking to Vaillant helpline... Hot water wor ... more
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vaillent boiler kicks in when cold has been running, is this normal?

after i've run my cold tap on my newly installed vaillent boiler, ecotec 28, the bioler fires up for a few seconds and then stops is this normal, I've been told yes by my plumber, but no by a friend w ... more
home Fix label Bathroom Appliances label_important Baths and Showers category Vaillant

Boilers?

I have a valliant eco max 835E that has stopped producing hot water unless the heating is on Is this a fault with the diverter valve ?
home Fix label Bathroom Appliances label_important Baths and Showers category Vaillant

Diverter Valve Replacement?

Hi, I am going to attempt to replace the diverter valve on my Vaillant Turbomax 824E Combi Boiler. I have seen a previous thread (http://www.howtomendit.com/answers.php?id=23613) which has some i ... more
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takes time for hot water to flow then stops with cold water?

vailant boiler comes on when i open my hot water tap, but takes time for hot water to flow then after a minute cold water starts. I switch the tap off and re-open it and then it would work why is this ... more
home Fix label Bathroom Appliances label_important Baths and Showers category Vaillant

boiler starts then soon stops?

my vaillant combi boiler cuts out after a few minutes. it needed atop up but not been right since i have done it. any clues please ....
home Fix label Bathroom Appliances label_important Baths and Showers category Vaillantdone

dropping pressure on Vallaint 242E?

I have a Valliant TURBOmax VUW 242 E on which the water pressure is continually dropping. At first I thought that this could be a leak in the overall heating system and added leak gel to the system. I ... more
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We have no hot water?

I have a vaillant Turbo Max VUW GB 242/1E and the central heating works fine, we have no hot water from the taps and shower, is this the diverter valve broken?
home Fix label Bathroom Appliances label_important Baths and Showers category Vaillantdone

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
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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 turboMAX 824E?

Hello, the timer is not working on my boiler. When the timer is set it starts to lag behind 'real time' within minutes. Does it just need a new battery? If so could anyone give me step by step instru ... more
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How can I get another manual for valliant turboMax plus 824E?

We wanted to operate the boiler to set to heating /hotwater but can't remember which position to set the controls. Can't find the user manual either. We can we get a copy or how to work the controls
home Fix label Bathroom Appliances label_important Baths and Showers category Vaillant

HW issues w. Vaillant boiler?

My Vaillant turbo Plus 824E is playing up for the last few months. One morning there will be no HW, the next morning its boiling, or it'll be hot and suddenly change to freezing cold. It sounds it wan ... more
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water temp going up and down?

the problem is that when i take a shower, water stays hot (as i like), then starts to go cold'ish, then back to hot'ish. if i turn tap to make it hotter, it goes hotter, then cold'ish again. and it co ... more
home Fix label Bathroom Appliances label_important Baths and Showers category Vaillant

water dripping out of overflow pipe from boiler when CH on?

I have a Vaillant combi boiler and when i put on the CH water is dripping from a pipe that looks like an overflow pipe going from back of boiler to outside wall.Does anyone have an idea what the probl ... more
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Cannot turn radiators off,?

I have just moved into a house with a Vaillant boiler. I cannot turn the heating off by any means. I have tried holiday mode and turning the heating dial to the summer mode as instructed. Even with ... more
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SERVO VALVE ON VAILLANT BOILER?

We think the servo valve spindle has to be replaced is this a big job/expensive
home Fix label Bathroom Appliances label_important Baths and Showers category Vaillantdone

the boiler isnt firing up no gas is going thru?

im having problem with my boiler itsa vaillant turbo max plus 828e problem code is F28!! the whole thing works it sparks but doesnt fire up,changed 2 gas valves and the black lead that connects to the ... more
home Fix label Bathroom Appliances label_important Baths and Showers category Vaillant

Possible problem with diverter valve?

I have a Vaillant TurboMax 824e. When running hot water it initially runs warm water then cold then warm then cold. When I switch the central heating off on the boiler the water runs hot. Believe this ... more
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Fix Fault - Bathroom Appliances, Baths and Showers

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Fix Fault - Bathroom Appliances, Baths and Showers

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