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Which flue liner to go for


 
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Ratty80

from United Kingdom

Joined: 08 Aug 2011
Posts: 41
Location: United Kingdom

PostPosted: Mon Aug 29, 2011 6:18 pm Reply with quote

Dear all

Just looking for some advice on what chimney liner to go for.

I have found some 316/316 stainless steel liner for 25 per square metre with 10 year guarantee. See link
http://www.qualitystoves.co.uk/quattro-flue-liner-316l316l-grade-p-898.html

The stove is 5kw and I believe this liner will be more than adequate for the job.

They also do a 904/904 grade stainless steel for 35 per metre. This has 20year guarantee.

Has anyone got any experience with the dif types or with cheaper linings failing?

Any help/thoughts/advice would be a big help:)
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PrenticeBoyofDerry

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PostPosted: Tue Aug 30, 2011 10:41 pm Reply with quote

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Ratty80

from United Kingdom

Joined: 08 Aug 2011
Posts: 41
Location: United Kingdom

PostPosted: Tue Aug 30, 2011 10:50 pm Reply with quote

Hi prentice boy it's a 5kw inset log burning stove that sits in a 750x435 opening that I have made in my chimney breast

There r actually some Photoes I posted in previous thread.
http://www.diynot.com/forums/viewtopic.php?t=287065&start=0

Do u know the difference between 316 and 904 steel?
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PrenticeBoyofDerry

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PostPosted: Tue Aug 30, 2011 10:59 pm Reply with quote

316 is normally found in domestic installs as you would normally find 904 for more commercial/industrial usage.
The rating is to do with the temps it can tolerate.
It will be a thicker gauge.
When it states 904/904 that means both inner and outer skins are that grade.
As you will come across 904/316, which means the inner and outer skins are different grades.
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Ratty80

from United Kingdom

Joined: 08 Aug 2011
Posts: 41
Location: United Kingdom

PostPosted: Tue Aug 30, 2011 11:02 pm Reply with quote

Thanks, I figured that was probably the case so think I'll get 316/316 tomorrow:)
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Blagard

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PostPosted: Tue Aug 30, 2011 11:02 pm Reply with quote

Ratty80 wrote:
Do u know the difference between 316 and 904 steel?


They are simply different grades of stainless steel see S S grades. See also http://www.fluesupplies.com/product_info.php?products_id=400 for a mixed steel liner The difference is I believe resistance to corrosion, pitting etc. Unlikely that 904 is thicker, it does cost more to produce though!

A quote from a flue specialist is "There are two grades available, 316L and a higher grade of 904L which is suitable for the extreme conditions found with coal based solid fuel installations"
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The following user says thank you to Blagard for this useful post:
Ratty80 (30 Aug 2011)
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Ratty80

from United Kingdom

Joined: 08 Aug 2011
Posts: 41
Location: United Kingdom

PostPosted: Tue Aug 30, 2011 11:26 pm Reply with quote

Thanks Blagard.

So this now brings me to think that for an wood burner I maybe need to go for 316/904...I think I'll give them a bell and see what they recommend(thought I'd get some advice first so I didn't end up getting unnecessarily sold the most expensive)

Thanks for advice
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MattBozmeister

from United Kingdom

Joined: 07 Nov 2014
Posts: 1
Location: Lancashire,
United Kingdom

PostPosted: Fri Nov 07, 2014 11:19 pm Reply with quote

Ratty80 wrote:
Dear all

Just looking for some advice on what chimney liner to go for.

I have found some 316/316 stainless steel liner for 25 per square metre with 10 year guarantee. See link
http://www.qualitystoves.co.uk/quattro-flue-liner-316l316l-grade-p-898.html

The stove is 5kw and I believe this liner will be more than adequate for the job.

They also do a 904/904 grade stainless steel for 35 per metre. This has 20year guarantee.

Has anyone got any experience with the dif types or with cheaper linings failing?

Any help/thoughts/advice would be a big help:)


I was confused about the whole 316 / 904 stuff too, I mean who's to know which one is best? Well as it happens some guy wrote a simple guide explaining it - https://flues2you.wordpress.com/what-type-of-flue-liner-do-i-need/ - thankfully!

Looks like 904/904 is the best - unless your fire isn't going to be used heavily, in which case 904 / 316 should suffice (and is cheaper too!)
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Blagard

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PostPosted: Fri Nov 07, 2014 11:46 pm Reply with quote

MattBozmeister

The thread is three years old, I reckon he will be sorted by now, all the same welcome to the forum, just watch the post dates
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fatthumb

from United Kingdom

Joined: 10 Nov 2014
Posts: 1
Location: Gloucestershire,
United Kingdom

PostPosted: Mon Nov 10, 2014 5:29 pm Reply with quote

Blagard wrote:
MattBozmeister

The thread is three years old, I reckon he will be sorted by now, all the same welcome to the forum, just watch the post dates


I would call the posting timely, as it was just the info I needed prior to installing a pellet boiler.

All useful information is just that...
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