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Fix Fault Vaillant

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We have 1280 questions about fixing 'vaillant'

Boiler going on/off independently of timer & no heating?

I have a Vaillant Combi-boiler VCW-GB 242E. It is continually switching on & off heating the water to boiling point, it seems, even when the timer is either off or on timed. We have no heating at al ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

my combi gives hot water but central heating not working. ?

Have reset the Vaillant boiler as per instructions but still no heating. The pressure is too low but can't seem to find out how to increase this, other than resetting. Housing association can't fix i ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

How can I fix my Vaillant Turbo Max 824E?

My CH was working fine till I disconnected & reconnected a radiator.I have refilled & blead all the radiators. The boiler comes on but the radiators dont get hot and reach the required temperature. Th ... more
home Fix label Heating label_important Home Heating Systems category Vaillant

No Hot Water?

I have a Vaillant Turbo maxVUW242E and the DHW operation has failed. I have changed the micro switch and diaphragm and for 24 hours all was fine. Unfortunately it has just failed again, anything else ... more
home Fix label Heating label_important Home Heating Systems category Vaillant

vcw gb 221 h. vaillant combi ?

my heating keeps switching it self on even with the timer removed i have removed the link between 3 and 4, the only way i can turn the haeting off is by switching the heating switch off..
home Fix label Heating label_important Home Heating Systems category Vaillant

home heating?

how do you programme de vaillant ecomax with the channelplus xl model H37 ?
home Fix label Heating label_important Home Heating Systems category Vaillant

Vaillant ecotec heating water but not radiators?

I have a Vaillant ecotec boiler. I'm getting hot water from it, and it's evidently receiving instructions from the thermostat. But it's not firing up to heat the radiators since I turned the thermos ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

vaillant vcw sine t3w -sticking pressure diverter vavle?

Hi I have a vaillant vcw sine t3w boiler, when i turn the hot water off, the pin at the back of the pressure diverter vavle doesnt return and boiler keeps running. Can this part be removed ad strip ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Anyone knows what is vaillant part code for diaphragm for diverter valve?

Anyone knows what is vaillant part code for diaphragm for diverter valve? Boiler model is Ecomax 824e. Vaillant Ecomax Diverter valve body's code is 014639, and Vaillant Ecomax 824e Diverter Valve ... more
home Fix label Heating label_important Home Heating Systems category Vaillant

Pump is sorted.How do i clean dhw heat exchanger Vaillant part no: 065053?

Pump is sorted by now. I have back hot water and central heating. But some problems with hot water persists. When turn the hot-tap on I can feel the hot water coming out, but soon it becomes only war ... more
home Fix label Heating label_important Home Heating Systems category Vaillant

the pressure levers on my vaillant ecomax wont move?

the 2 pressure levers on my vaillant ecomax wont move and the pressure is now below 1. I think that I I have to push them both forward, is this correct? But they are so stiff they just wont move. I ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

My Vaillant Turbomax 282/1E No Hot water when hot water tap is turned on?

When I turn the hot water tap on there is no ignition signal to the boiler to switch boiler on. Is there a flow switch or pressure sensing valve on the hot water supply line to switch on the ignition ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Problem with hot water demand?

I have a vaillant 824 E, problem with hot water demand - boiler kicks in on start up but temperature on boiler races up to 100 + and so stops boiler from firing when over 80 deg (ie cuts out) also whe ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

vaillant combicompact VCW GB 242 EH?

The burner cuts out after a few seconds but the fan runs continuously. No problem with DHW. Is there a fault with the overheat sensor?
home Fix label Heating label_important Home Heating Systems category Vaillant

how can I get central heating working?

vaillant VCW-GB 242 EH recent replacement secondary heat exchanger following leak. Now central heating not working.
home Fix label Heating label_important Home Heating Systems category Vaillantdone

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e13 and then f20. And if you resset, it was working as nothting happened. During last 6 mont ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

what error codes e20,e13,f20 means?

what error codes e20,e13,f20 means? the boiler model is vaillant ecomax824e
home Fix label Heating label_important Home Heating Systems category Vaillantdone

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
home Fix label Bathroom Appliances label_important Baths and Showers category Vaillantdone

where can i but a heat exchanger for a vaillant sink-heater?

i need to buy a new heat exchanger for my vaillant sink-heater MAG 125/7 i have no idea where to look or how to find the part number as its not listed in the manual...any ideas ?
home Fix label Heating label_important Home Heating Systems category Vaillantdone

how can i fix my jon vaillant lpg water heater/ ?

i have a jon vaillant d5630 lpg water heater.the pilot lights but the jets do not light when the water is pumped through.can you help?
home Fix label Heating label_important Home Heating Systems category Vaillant

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Fix Fault

Audio Bathroom Appliances Boats Breakables Cameras Clocks and Watches Clothing Computers Cooling D.I.Y Furnishings Furniture Garden Tools Heating Household Appliances Kitchen Appliances Leisure Equipment Memory Musical Instruments Navigation Office Appliances Power Tools Security Systems Software Telephones Toys Vehicles Video

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