New Yorker Cast Iron Boiler 85% AFUE 210k Input, 179k Gross Out, 156k Net Out, 456 lbs, 1-1/4" NPT Heating Connections, 3/4" NPT Gas Connection, 3" Vent Size, Dims (WxDxH) 24-3/4" W x 26-1/2" D x 37-3/4"H