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Old July 3rd 03, 05:59 PM
Kevin Chambers
 
Posts: n/a
Default Flue siting regulations.

Just had a visit from a plumber to quote for new boiler. He ruled out
the location where I was planning to put it, under a single story
pitched roof with vent through the roof. He said that the latest
regulations say it's got to be 2 metres from a boundary (boiler would
be on party wall so no chance with Worcester 35 Cdi as planned) and
that the window above the roof is too close. 2002 building regs say a
fanned flue doesn't have to be more than 300mm from a boundary or a
window, even 600mm should be achievable so I'm a bit perplexed where
he's got these distances from. Anyone have any ideas? The only real
alternative location is in the loft and I'm a bit concerned about the
noise and long DHW pipe run.

w
w window My scuppered plan
w
w
\ sill
\
I / \
I__ III terminal
----- III
----- III
--III
III-----
III -----
III ----- Roof
III -----
III
III
-----------
I I
I boiler I
I I

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Old July 3rd 03, 06:37 PM
Christian McArdle
 
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Default Flue siting regulations.

He said that the latest regulations say it's got to be 2 metres from
a boundary (boiler would be on party wall so no chance with Worcester 35
Cdi as planned)


Get another plumber. He would never get the job in my house. It is 4m wide,
so presumably he thinks that all gas boilers appliances are banned in
Victorian terraces, as there is not a single point anywhere on the property
more than 2m from a boundary.

Christian.


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Old July 3rd 03, 06:43 PM
BillR
 
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Default Flue siting regulations.

Kevin Chambers wrote:
Just had a visit from a plumber to quote for new boiler. He ruled out
the location where I was planning to put it, under a single story
pitched roof with vent through the roof. He said that the latest
regulations say it's got to be 2 metres from a boundary (boiler would
be on party wall so no chance with Worcester 35 Cdi as planned) and
that the window above the roof is too close. 2002 building regs say a
fanned flue doesn't have to be more than 300mm from a boundary or a
window, even 600mm should be achievable so I'm a bit perplexed where
he's got these distances from. Anyone have any ideas? The only real
alternative location is in the loft and I'm a bit concerned about the
noise and long DHW pipe run.



Where does he get the 2m from?
http://www.safety.odpm.gov.uk/bregs/...f/complete.pdf table for
diagram 3.4 says its 600mm when facing the boundary (dimension J)
Get another plumber.


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Old July 3rd 03, 09:59 PM
John Stumbles
 
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Default Flue siting regulations.

"BillR" wrote in message
...
Kevin Chambers wrote:
Just had a visit from a plumber to quote for new boiler. He ruled out
the location where I was planning to put it, under a single story
pitched roof with vent through the roof. He said that the latest
regulations say it's got to be 2 metres from a boundary (boiler would
be on party wall so no chance with Worcester 35 Cdi as planned) and
that the window above the roof is too close. 2002 building regs say a
fanned flue doesn't have to be more than 300mm from a boundary or a
window, even 600mm should be achievable so I'm a bit perplexed where
he's got these distances from. Anyone have any ideas? The only real
alternative location is in the loft and I'm a bit concerned about the
noise and long DHW pipe run.



Where does he get the 2m from?
http://www.safety.odpm.gov.uk/bregs/...f/complete.pdf table

for
diagram 3.4 says its 600mm when facing the boundary (dimension J)
Get another plumber.


Get a registered gas fitter :-)

BS5440-1:2000 recommends (not mandates) that fanned flues should be 2m or
more from openings (doors & windows) of neighbouring properties. I think in
the BS it also mandates that in siting flues you should plan on the basis
that the neigbours might build an extension which invalidates your original
siting.

I'd put it as far from the boundary as possible since if the neighbours do a
loft conversion (as you seem to have done - ?) it'd be a nuisance to them,
but if it's OK for the clearance specified in the regs* from your own window
any nuisance you cause to yourselves is something you have to live with.

* the AD seems to be derived from the BS


hth

--
John Stumbles
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Old July 4th 03, 07:27 PM
John
 
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Default Flue siting regulations.


"Kevin Chambers" wrote in message
om...
Just had a visit from a plumber to quote for new boiler. He ruled out
the location where I was planning to put it, under a single story
pitched roof with vent through the roof. He said that the latest
regulations say it's got to be 2 metres from a boundary (boiler would
be on party wall so no chance with Worcester 35 Cdi as planned) and
that the window above the roof is too close. 2002 building regs say a
fanned flue doesn't have to be more than 300mm from a boundary or a
window, even 600mm should be achievable so I'm a bit perplexed where
he's got these distances from. Anyone have any ideas? The only real
alternative location is in the loft and I'm a bit concerned about the
noise and long DHW pipe run.


AIUI the 2 metre rule is applied with horizontal discharge flues which
"blow" towards the boundary. The use of high efficiency boilers often gives
rise to pluming (visible water vapour sometimes described as steam) which
can and does upset neighbours. Litigation often results from sensetive
neighbours in these cases which is not one of the plus factors for
condensing boilers of course!
I can't see a vertical discharge flue from a CDi giving rise to complaints
and unless it is really likely to giver rise to products of combustion
entering a window it would be worth further investigation.




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