Vaillant Combi Boiler Leak!!

[Tam]

Originally Posted by mark d3

you may need boiler gc number

Ah ! i'm working on that also i had a look about on cabinet and boiler parts but could see no significant number so have had a look for instruction manual but not been able to tease it out from its hiding place of the last 15 yrs yet Will probably be in shed with the before mentioned bits .

[mark d3]

look under the boiler combustion door its bolted on there but not obvious to see

[man of kent]

Bars leak available from halfords or other accessory shops. My boiler is 30 years old. Bars leak has worked every time. You need to drain a bit from the system, pour it in and top up. CH systems are just like car cooling systems. Water pipes, radiator and a pump. DONT use block sealer as it will weld everything up!

[mark d3]

i would strongly advise against anyone putting leak sealer in a boiler especially a combi which contains lots of small water ways and hydrolics and that includes fernox leak sealer you could easily block the main heat exchanger

[man of kent]

Originally Posted by mark d3

i would strongly advise against anyone putting leak sealer in a boiler especially a combi which contains lots of small water ways and hydrolics and that includes fernox leak sealer you could easily block the main heat exchanger

Must admit mine is an old Ideal boiler, non combi and all it has is a split heat exchanger casting with seals between that leak occasionally and the on/off solenoid with a pilot flame. All the timers, valves and thermostats etc are separate. So simple. Inefficient yes, but i dont have to buy a new one for nearly £1000 every few years and I can fix it myself.

Old technology works!

[Tam]

Hi guys i recieved the metal heat exchanger about a week or so ago but i didn't recieve any fitting instructions with it, i have tried searching through google to find some instructions but can't seem to find anything specific!. Anybody have any ideas where i could get some instructions or even a couple of images of process cheers Tam.
http://www.abcotuk.co.uk/Product.asp...=P216&catid=C2

[COLVERT]

Originally Posted by tammyboy

Hi guys i recieved the metal heat exchanger about a week or so ago but i didn't recieve any fitting instructions with it, i have tried searching through google to find some instructions but can't seem to find anything specific!. Anybody have any ideas where i could get some instructions or even a couple of images of process cheers Tam.
http://www.abcotuk.co.uk/Product.asp...=P216&catid=C2

I was going to say, as with car parts, take careful note of the connections as you take the old one out.
HOWEVER I read that you have bought a non standard part with one pipe/connection less.
I think you might have to do a bit of inventive plumbing yourself.

Bon chance, mon ami.


Colvert.

[Tam]

Prompted by another newer combi boiler thread i thought i should return to this old one of mine , just to say that my boiler has been as good as gold . And after a plumber friend fitted the replacement parts no more leak!
Quite an easy job if you have correct tools and the space to get in !
Thanks to all who helped but especially Mark d3

[mark d3]

Originally Posted by tammyboy

Prompted by another newer combi boiler thread i thought i should return to this old one of mine , just to say that my boiler has been as good as gold . And after a plumber friend fitted the replacement parts no more leak!
Quite an easy job if you have correct tools and the space to get in !
Thanks to all who helped but especially Mark d3

no probs anytime