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We have 1280 questions about fixing 'vaillant'

Vaillant ecomax828/2e, noise?

My boiler makes a racket when the hot water is turned on. Its as if there is a foreign object in the boiler. It recently started to make the noise when the heating is on as well. What can that noise b ... more
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illiminate high screeching noise on ignition?

vaillant ecotec plus 428 open vent condensing boiler, makes a high screeching noise on ignition and stays for a short while before dying out. Rang Vaillant and was told to adjust throttle to adjust co ... more
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Domestic Hot Water has a low flow rate on Vaillant AquaPLUS?

We've had our AquaPLUS combi boiler with 15l Power Store since 2005. However today the Domestic Hot Water (DHW) has a low flow rate, but temperature is still as expected. Cold water to all parts of th ... more
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vaillant vc gb 142 e?

when the hot water only is on the central heating comes on as well
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Analogue clock/timeswitch not not working on Vaillant boiler?

I've just moved in to a flat and the clock on the boiler is not working - it was until around 24 hours ago but now the time/hands etc are not moving. The heating will engage/disengage if I move the ti ... more
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vaillant combi boiler and digistat scr?

alarm light came on digistat scr and now we have no heating from combi bolier and cant get rid of the red light. Have followed instructions about pressing buttons 3 times and still no heat
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Valliant Turbomax plus hot water problems?

Have a Vaillant turbomax plus boiler, which has been working fine until a couple of months ago. When turning on the hot water tap, once heated the temperature was constant, now it is not constant, go ... more
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Vaillant Ecotec pro Baffled?

When Hot water tap is running the central heating flow pipe gets hot ... right here we go ...checked plate to plate and all is clear ...changed two diverter valves ..body and head ...replaced thermist ... more
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How can I fix my vaillant turbomax vuw 242e combi boiler?

I'm trying for central heating by turning control manually the indicating lights come on for central heating on demand & pump indicator light comes on then gas indicator comes on & I can hear ignition ... more
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Vaillant VMW ES/282/2-5 R1 boiler not firing up?

I have a boiler VMW ES 282/ 2-5 R1 The boiler will not light, it sparks but there is no gas. I have renewed the gas valve, model confirmed by Vaillant Spain and the pcb, again with Vaillant number ... more
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What is problem with Pressure on Vaillant Boiler?

I have a Vaillant Eco Tec Plus Combi boiler (5 yrs old) that works fine -but- I notice that the water pressure falls to zero when not working and when CH is on, the water pressure inreases steadily to ... more
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vaillant combi heater vcw hot water problem?

just started problem where does not fire up when turn on hw tap. sometimes if turn tap off and then turn back on it will or if i flick the central heating/ water or on off switches then turn on will b ... more
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how can i put pressure back in my vaillant ecomax 835e?

can u plz tell me where the pressure knob is to put water bk in the bolier
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How do I fix my Drayton Digistat +3 ?

Hello, there is a flashing signal on the display panel of my Drayton Digistat +3 and there's a flashing red light next to the receive word written on the small Drayton box that's located next to my Va ... more
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Vaillant 831 with wireless 360f controller?

My wireless controller has stopped responding after changing batteries (worked for a year no problems) Getting RF error. When checking the sender getting one red light - indicating a ebus error. ... more
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Vaillant ecoMAX pro 28E not modulating as it did?

The boiler is used in an open vented system. It used to control well modulating to reduce gas input in response to temp nearing setpoint. Now it will get near its set temp but instead of modulating as ... more
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need a clock timer for vaillant ecocombi boiler ?

i need a timer clock for a vaillant eco combi boiler model 824 , can anyone suggeswt were i can get one of these Thanks
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Problem with my Vaillant eco tech 428?

I have got a Vaillant eco tech 428 heat only boiler which has been installed to a pressurised heating system. When I put the hot water on 'auto' at the programmer the boiler will fire up and heat up t ... more
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Vaillant Eco tec plus?

Hi We have just returned from a week away to find that our boiler pressure has dropped, topped this up but now only have hot water (boiler fires fine) but no heating, pressed the ! button and get c ... more
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does any one know the boiler rating of a vaillant ecomax 828/2 e?

as above
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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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