Model A3S Series -Steam Boilers

83-88% Efficiency. Capacities. 17 – 120 BHP. Fuel Options: Gas, Oil, Combination Gas/Oil, Digester Gas: Inputs from 695,000 to 4,865,000 BTUH. Outputs from 580,000 to 4,040,000 BTUH. Modified Three-Pass Scotch Marine “Scotch Box” Boiler. 15 PSI Steam / 30, 40, 80 or 150 PSI Water Design. “U-Type” Flex Joint. Thermal Shock Resistance. Welded or Expanded/Flared Tube Attachment. Water Surrounded Cylindrical Furnace For Highest Heat Transfer. Water Cooled Reversing Chamber 4-Sided Wetback. Insulated Boiler with 18 Gauge Boiler Jacket.