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Vaillant ecoTEC 828 pump starts with cold water tap?

When I turn on the cold water taps everything is fine until I turn the tap OFF. Then the pump (not the burner)... [Read 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... [Read 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 ... [Read 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 o... [Read more]
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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. ... [Read more]
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how do i stop water leaking from my pump?

hi ,ihave a vaillant turbo max vuw242e,282e,and i have water dripping from the curculating pump when either th... [Read more]
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Update of Vaillant VCW GB 282 EH fault?

The above Boiler last night for some reason stopped working, due to its age theres only 1 power light on the f... [Read more]
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vaillant 18 t3w combi?

t3w 18 combi pilot light okay and lit ,pump running but no heat or hot water,differential valve okay.solen... [Read more]
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Vaillant boiler turbomax VUW 282/1E - increase to pressure !?

Vaillant boiler issue - increase to delivery pressure from pump, this varies in operation - i thought just a p... [Read more]
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How can I fix my Vaillant combi boiler?

I have a vcw-gb 242 combi boiler and now find the central heating wont fire up. When i turn on the hot water t... [Read more]
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Vaillant turbomax plus 824e confounding the 'experts'?

My boiler keeps on locking out showing f.22 or f23. I have had two 'experts' look at it, one changed Almost ev... [Read more]
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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... [Read more]
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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 e1... [Read more]
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cannot control hot water vaillant ecoTEC plus 624?

We have a three year old ECOtek plus 624 that has been fine until now. We have just installed a new show with ... [Read more]
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Vaillant Turbomax 828 problem?

This is a strage one! I am not sure whether my diverter valve is on the way out or whether something else is c... [Read more]
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Vaillant VCW GB 242EH combi boiler?

CH flame failure due to low water pressure. re- pressurised but wont ignite. pump , fan & DHW working OK
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first no hot water , now no heating vaillant 282e?

is there muck in the tubes of the pressure switch or is it the micro switch for that white arm behind the pum... [Read 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 p... [Read more]
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Vaillant VCW 242 slow to ignite?

Hi all, I have the above model & have a slight problem, boiler is slow to ignite when heating is calle... [Read more]
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How can i fix my Vaillant ecotec pro combi boiler?

i have just moved some pipes in the bathroom and reconnected them to where they were. the hot water and centra... [Read more]
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