"Eric" > wrote in message
I made a sketch - its not the greatest, but here it goes. What do you
think about the design below? It is similar to what the manual wants,
but modified for my application. The grill-head can vent into the left
and right chambers. The right chamber has the LP Tank. Both chambers
have two rear vents. The LP tank access door is also louvered. This
leaves the seatwall, the area directly under/behind the grillhead, and
the left-most portion of the island (under the round bar) sealed with
no vents (and they shouldnt be needed, since the propane wont enter
those sealed areas and will vent out the other provided paths).

http://i232.photobucket.com/albums/e...and_design.jpg

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Looks like it should work. What is directly below the grill head? Is that
sealed? If not I'd put the vent on the back below it if possible and/or
make that access door in front a vent.