Robert Klander on tue 12 aug 08
Hello all.
I've read and re-read Nils Lou's paragraphs about the double venture flue,
but still I'm unclear about a detail:
From the photos in his book, it appears that the second venturi is just two
courses above the damper. At this point can the flue open back up to 9x9
for a few more feet of flue before adding the chimney stack? (Targeting 5 ft
of brick, with a 10 ft chimney stack atop). Or, does the flue remain at the
5-1/8 square for the remaining flue height?
Kiln will fire High Pressure Propane.
TIA for any suggestion,
Robert Klander
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