New Yorker Cast Iron Boiler 85% AFUE 105k Input, 90k Gross Out, 78k Net Out, 299 lbs, 1-1/4" NPT Heating Connections, 1/2" NPT Gas Connection, 3" Vent Size, Dims (WxDxH) 15-1/2" W x 26-1/2" D x 37-3/4"H