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Connecting into a 3 inch soil pipe? Is there a fitting?


 
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polly_x

from United Kingdom

Joined: 09 Apr 2006
Posts: 14
Location: United Kingdom

PostPosted: Tue Nov 20, 2007 8:38 pm Reply with quote

Does anyone know where I can get fitting to connect into an existing 3 inch soil pipe?

I have seen the flange type ones for 4 inch where you drill the hole and then bolt it around. Where can I get a 3 inch version?

I think its a strap boss?

Thanks,
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hi-spec plumbing heating

from United Kingdom

Joined: 13 Sep 2007
Posts: 1277
Location: Essex,
United Kingdom

PostPosted: Tue Nov 20, 2007 8:51 pm Reply with quote

is it a plastic or cast ?
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polly_x

from United Kingdom

Joined: 09 Apr 2006
Posts: 14
Location: United Kingdom

PostPosted: Tue Nov 20, 2007 9:13 pm Reply with quote

hi-spec plumbing heating wrote:
is it a plastic or cast ?


Sorry, its plastic.

3 inch Vertical existing stack that I want to connect a new waste into for sink and bath in the loft.

Thanks,
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hi-spec plumbing heating

from United Kingdom

Joined: 13 Sep 2007
Posts: 1277
Location: Essex,
United Kingdom

PostPosted: Tue Nov 20, 2007 9:15 pm Reply with quote

you sure it's 3"
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cb9002

from United Kingdom

Joined: 11 Nov 2006
Posts: 117
Location: Gloucestershire,
United Kingdom

PostPosted: Tue Nov 20, 2007 10:56 pm Reply with quote

Just a thought here, but my house has a normal 4" stack, but above the highest connection it is reduced into a 3" for the vent pipe out of the roof.

The OP did say "Loft", so I reckon they might be trying to connect into the very top of the soil stack, currently used as a vent.
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polly_x

from United Kingdom

Joined: 09 Apr 2006
Posts: 14
Location: United Kingdom

PostPosted: Wed Nov 21, 2007 12:14 am Reply with quote

cb9002 wrote:
Just a thought here, but my house has a normal 4" stack, but above the highest connection it is reduced into a 3" for the vent pipe out of the roof.

The OP did say "Loft", so I reckon they might be trying to connect into the very top of the soil stack, currently used as a vent.


Thats exactly what mine is like. All 4 inch then with a 3 inch vent above the last toilet going up to the roof.

Was hoping that I could connect into this 3 inch pipe higher up, rather than running a sink/bath drain all the way down the void to the 4 inch section.

Any problems with that?

Any ideas where to get a 3 inch strap boss?

Thanks,
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hi-spec plumbing heating

from United Kingdom

Joined: 13 Sep 2007
Posts: 1277
Location: Essex,
United Kingdom

PostPosted: Wed Nov 21, 2007 11:44 am Reply with quote

never seen one.
raise the 4" section higher or even to the top.
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Nige F

from United Kingdom

Joined: 28 Jun 2005
Posts: 16173
Location: United Kingdom
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PostPosted: Wed Nov 21, 2007 2:41 pm Reply with quote

hi-spec plumbing heating wrote:
never seen one.
.
icon_eek.gif .I have years ago .....and now Polypipe allegedly make them icon_idea.gif I asked while I was in the merchants icon_wink.gif
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hi-spec plumbing heating

from United Kingdom

Joined: 13 Sep 2007
Posts: 1277
Location: Essex,
United Kingdom

PostPosted: Wed Nov 21, 2007 2:43 pm Reply with quote

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gas4you

from United Kingdom

Joined: 23 Feb 2007
Posts: 17606
Location: Norfolk,
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PostPosted: Wed Nov 21, 2007 7:03 pm Reply with quote

Local drain center stock 3" strap on boss. I fit them quite often. Got one to do tomorrow.
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