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We have 1280 questions about fixing 'vaillant'

Rising Pressure on Vaillant ecotec plus - What to do?

My Vaillant ecotec plus boiler is nearly a year old - it was fine all year giving just hot water but as soon as we switched on the central heating the pressure rose and soon went into the red zone bef ... more
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Boiler overheating and making noises Vaillant VCGB 112/142EH?

Had a new 3 port valve changed as radiators were coming on at the same time as water even though only water was on. However recently the boiler has been making awful noises ... had serviced and notice ... more
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My hot water has not come on. Why?

My hot water has not come on my vaillant combi boiler but my heating has. What could be the problem?
home Fix label Heating label_important Home Heating Systems category Vaillantdone

replacing control knobs vaillant ecotec?

Vaillant ecotec combi boiler a control knob has snapped off and I have got replacements but cannot remove the stalk of the broken one. Tried tweezers and fine pliers but although there is some moveme ... more
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How can I connect a wireless thermostat?

Hi! I have a vaillant turbomax 824e combiboiler and I have bought a wireless Salus programmable room thermostat model rt500rf.I don't know where to connected inside the boiler.I am builder so I fill c ... more
home Fix label Heating label_important Home Heating Systems category Vaillant

Why do I have hot water but no central heating?

My wall hung Vaillant condensing boiler is providing hot water but not central heating and does not show a fault on the screen. Can anyone help me please? I have checked all the radiators and they a ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

heating problem ; vaillant ecotec plus 831?

I have nearly one year old vaillant ecoplus 831,I have just five radiators changed my house and flushed system twice, refilled added inhibitor and now it only heats up to 54 celcius and stops,factory ... more
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vaillant boiler?

when replacing diaphragm in Vaillant Turbomax 242E which way up does it go the instructions are unclear URGENT
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room thermostats?

I managed to reduce the pressure on my vaillant ecotec pro boiler following your instructions, but when I turn the heating on it justs keep rising (as does the teperature!) When I turn t off to preven ... more
home Fix label D.I.Y label_important Plumbing category Vaillantdone

Vaillant boiler overflow leak?

My boiler pressure was low (less than 0.5) so after searching the net I found a video showing which screws to turn etc which worked but not before trying out other things including the Pressure Reduci ... more
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vaillant gb 242 eh - what should water level be? please help?

Hi The Ch and HW keeps cutting out as pilot wont ignite.looked at the water guage - red and white hands - white is on 2 and red is on 1.5 bar.what should they be? manual missing as boiler is ancient. ... more
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pressure on vaillant ecotec pro28 boiler?

I have a vaillant ecotec po 28 boiler in my new home, which produces gallons of hot water, but as son as I turn the heating on the pressure gauge goes through the roof! I followed the manual guide, an ... more
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Vaillant Turbo max plus 828F display says S. 07?

The radiators have just been bled, no hot water now, central heating does not work either. Do we need a new pump or is there a simpler way to start up the boiler?
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Vaillant Turbomax 242e water running hot then cold then hot?

I have a Vaillant TurboMax 242e. The hot water runs hot then cold then hot, with the burner turning on then, presumably overheating and turning off, then on again repeatedly. The temperature guage rea ... more
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How can i get the correct pressure back in my boiler?

I have a Vaillant turbomax boiler.After having a couple of radiators removed and then put back to the wall i had to refill the heating system....However i did have problems turning the valve.When i fi ... more
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radiator temperature dial on boiler broken off?

the radiator temperature dial on boiler broken off - or come off - the boiler works well but I cannot change the temperature of the radiators - the boiler is a combi Vaillant ecotec
home Fix label Heating label_important Home Heating Systems category Vaillantdone

can i use my central heating with no pressure gauge?

can i use my central heating with no pressure gauge as when i opened the drop down door on it i broke the pipe that leads to it. i have now got the gauge sealed so can i use it until i get it repair ... more
home Fix label Heating label_important Home Heating Systems category Vaillantdone

can some one tell me how i can fix my combi boiler?

My combi boiler hot water is running hot and cold , i have check the boiler and it go's on for 10 sec and off for 10 sec the burner that is has any one got any answers, i have a vaillant 824e
home Fix label Heating label_important Home Heating Systems category Vaillantdone

Vaillant VCWGB242EH GC 4704413 Combi goes out immedi?

Hi, am working on the above boiler, was leaking at the auto air vent so tested the expansion vessel to find it perforated, fitted a new one into the system to prevent me taking it of the wall on the r ... more
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vaillant combicompact vcw gb 221 h?

Was working fine, but now it wont ignite, their is a polit light , electrics seem fine, can you help to diagnose?
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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