Allpoints 241217 Burner, Ring - 12

12" dia cast iron ring burner 125,000 btu 3/8" nps burner inlet on air mixing chamber includes (2) air mixing chambers w air shutters w/ 2 blank orifices (orifice only is ap# 263908) requires two 1-1/4" npt pipe nipples, not included. qty 1, 1-1/4" mpt "close" nipple ( buy locally ) qty 1, 1-1/4" x 3" mpt pipe nipple # 26-4895.