New Yorker Cast Iron Boiler 82.1% AFUE 207k Input, 207K Gross Out, 128K Net Out, 620 lbs, 2" (x2 Supply, x1 Return) Heating Connections, 3/4" NPT Gas Connection, 7" Vent Size, Dims (WxDxH) 25-3/4" W x 30" D x 40-7/16"H