I am looking for t series pipe and all fittings to install 0 clerance fireplace model bb4250. T94 need 3.t91 need 1. also need cap tcc9, flashing 612, firestrip spacer 240a, combustion air assmbly oac4 and duct fp4u. It is listed as 9" in the owners manual. Any and all coments are appreciated, Thanks for your assistance