New Yorker Cast Iron Boiler 82% AFUE 138k Input, 113K Gross Out, 85K Net Out, 485 lbs, 2" (x2 Supply, x1 Return) Heating Connections, 1/2" NPT Gas Connection, 6" Vent Size, Dims (WxDxH) 19-1/4" W x 28" D x 40-7/16"H