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We have 231 questions about mending 'vaillant combi boiler'

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Mend Heating, Home Heating Systems

Ravenheat heating thermostat transmitter does not work?

My Vaillant combi boiler provides hot water but the Ravenheat transmitter type thermostat has stopped working ... [Read more]
Mend Heating, Home Heating Systems

vaillant eco-tec plus combi boiler?

i have great central heating but very low pressure from hot water taps, what should i check.
Mend Heating, Home Heating Systems

How can I fix my Vaillant Turbomax Plus combi boiler?

Have recently drained and refilled system. Turned boiler on and after an hour or so pressure was around 2 bar,... [Read more]
Mend Heating, Home Heating Systems

Reducing pressure in combination boiler?

How can I reduce pressure in a Vaillant Turbomax Combi Boiler?
Mend Heating, Home Heating Systems

water going hot then cold?

vaillant combi boiler 824/2e ,,heating is fine,hot water red hot then goes cold had new heat exchanger,plus ne... [Read more]
Mend Heating, Home Heating Systems

Diverter valve?

hi there, i have vaillant ecotec pro 28 combi boiler, its diverter valve is leaks when we turn the hot water... [Read more]
Mend Heating, Home Heating Systems

do i need replacement part or new boiler?

i have a vaillant combi bolier ref no vuw242 I have had this for about 12 years and now have a leak the water ... [Read more]
Mend Heating, Home Heating Systems

Vaillant Ecotech Combi boiler?

I have re-pressurised system after fault, pressure now too high. How do I reduce the pressure which is now in ... [Read more]
Mend Heating, Home Heating Systems

vaillant eco tec pro water pressure keep goes down?

I have vaillant eco tec pro combi boiler fitted in my house i have just noticed that the water pressure of boi... [Read more]
Mend Heating, Home Heating Systems

Pressure Key under Vaillant Boiler Stuck?

I have a combi Vaillant boiler. There is one key under the boiler. The pressure is low so i tried to turn the ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my vaillant turbomax plus 828e combi boiler (VUW GB 282/2-5)?

The central heating working fine but the boiler supplies only Luke worm water and after every few minutes the ... [Read more]
Mend Heating, Home Heating Systems

Topping up combi boiler?

I have changed a radiator on my Vaillant combi boiler operated central heating system. How do I bring the pres... [Read more]
Mend Heating, Home Heating Systems

faillure to ignite?

My Vaillant VCW GB 242 E Combi Compact Wall Mounted Boiler is failing to ignite when the central heating is sw... [Read more]
Mend Heating, Home Heating Systems

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... [Read more]
Mend Heating, Home Heating Systems

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 ligh... [Read more]
Mend Heating, Home Heating Systems

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 o... [Read more]
Mend Heating, Home Heating Systems

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... [Read more]
Mend Heating, Home Heating Systems

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 li... [Read more]
Mend Heating, Home Heating Systems

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 the... [Read more]
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Diverter Valve Replacement?

Hi, I am going to attempt to replace the diverter valve on my Vaillant Turbomax 824E Combi Boiler. I have... [Read more]
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