Used 2200HP Apache 2-Pass Dryback Scotch Marine Package Boiler and Economizer. Manufactured by Superior Boiler. Model 8-X-11000-S150-GPCF-G. 2200HP (73,645 MBTU) steam OUT, Lo NOx natural gas fired 150 psig. Natural gas firing rate IN 92,400 cfh of 1000 BTU/cf. ASME Cleaver Brooks burner model LNXLG-924. Lo NOx < 30 ppm and 0.0364 lbs. per MMBTU. Includes controls and firing monitoring, gas train, forced draft blower, Kunkle safety valves 6x8" and 4x6" both set at 100 psig. Boiler dimensions are approx 151" w x 302" L x 153" tall. Cain economizer model RJR-166K26ALS. Stainless steel. Stack is Van-Packer Model DW 36" ID x 20'-9" long, ss304 insulated. Boiler Serial #16199. Boiler National Board# 16199. Built 2007. Weight empty 121,000 pounds.