Hi Steve, Nice job on the Mery. Looks great ! I know almost nothing about using LP as a fuel. I wonder if you could explain the fabrication of the "demand valve".? Joe "Pip" Betz said that. jlb94 at juno.com ,-._,-. "God made man at the end of the week - \/)"(\/ when He was tired." (_o_) http://community.webshots.com/user/pipbetz