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Where can I find British Standards ( for boiler flue instalation )

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nicko

I need help from you guys. Can you give me the regulations for boiler flue instalation?
My boiler flue is fitted on the roof/extension of my kitchen and is next to the window on the first floor of my house ( openable) It is around 5 cm under the parapet and 15 cm from the wall.
I think it is called vertically positioned flue it is around 90 cm long. Where can I find regulations and check if it is correct or if not then why??
Any ideas? Maybe some publications?
 

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Contact the manufacturers and they will normally e-mail you a copy out.
 
Google flue positions it will gve you a diagram and a table with all the info you need
 
Sounds simple. But when I tried to contact them they put me on hold for more then 20 min! So I decided to e-mail them. The replay was that it doesn't meet the standards.
 
Or google your boiler you should be able to find the mi's for your boiler
 
I did it. I am not in a plumbing business so I it is quiet confusing for me. While searching google I found this website and tried to give it a shoot :)
 
Thank you :) so it looks like 500 mm from the wall (M) but what if there is a window? I have a glass roof so there is no way to install it anywhere else but in front of the window.Will it be still this same 500mm? or maybe in that case more??
 
Looks like your neighbour is in the same boat.

Edit, didn't see Tamz last sentence.
 
Last edited:
just playing devil's advocate here........

What did the standards say at the time the boiler was installed?
 
croppie said:
just playing devil's advocate here........

What did the standards say at the time the boiler was installed?
Click to expand...
It probably said don't stick a flue under a window or words to that affect and also something about don't let numpties fit it.
 
probably Tamz, but you have to wonder with two of them like that. And there's no way either of them's been serviced and nothing been said up to now.
 
Looks lhey have been fitted by the builder when the house was done up Cropps. Probably anybody servicing it has never bothered to look which is very worrying.
 
THE BOILER IS OFF NOW.THANK YOU ALL.#croppie that is what I am thinking about! were they allowed to install it few cm under the window ?and so close to the wall???? Still searching the web...and can not find the answer
 
It was never allowed to be installed like that.

This is what it says in the BS

Where two or more vertical fanned draught chimney configurations
terminate in close proximity at the same height, they shall be separated
by at least 300 mm. Where any one vertical outlet is more than 300 mm
above the other, then they shall be separated by at least 1 500 mm.

Where any vertical fanned draught chimney configuration outlets is
within 2 000 mm measured horizontally of an opening window, then it
shall be at least 300 mm above the opening.
 
Nicko, Vaillant say this with regards to flue positioning (Page 14 of the boiler mi's)

Fluing.JPG
 
So now my question is how it was passing gas inspections?for around 15 years!!!!! Or more??? Who is responsible for such a huge negligence ?
 
Last edited by a moderator:
typicall house owners never have the boilers serviced they are vailants of a certain age and have probably never gone wrong
 
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