On Sun, 30 Nov 2003 18:48:59 +0000, Andrew
wrote:




Maybe I should rephrase that - why can't I convert the top section of
the waste stack so that the 2" mupvc flue enters at 1st floor ceiling
height and exits up through the roof *inside* the waste stack.That way
the flue terminal pokes out above the stack by say 6 inches and the
remaining cross section is still used to vent the stack. Since we are
only discharging acidic steam at this point where does the possibility
of exploding methane come into it ?


It's pretty much academic.

If you download the Keston installation manual, you will find that it
refers to specific British standards on where flues may run and be
located, and adds some manufacturer specific options, which the
regulations allow.

If you want to do something different, then it would be advisable to
contact the manufacturer's technical department.



..andy

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