THIS IS AN ENGINEERED AIR HE321/O DIRECT FIRED HEATER DESIGNED FOR COMMERCIAL AND INDUSTRIAL APPLICATIONS. IT OPERATES ON NATURAL GAS AND PROVIDES AN AIR CAPACITY OF 32000 CFM, WHICH FALLS WITHIN THE HE SERIES RANGE OF 1,300 TO 100,000 CFM. THE UNIT UTILIZES A 575V ELECTRICAL CONNECTION AND FEATURES A 25 HP MOTOR. AS PART OF THE HE SERIES, IT INCLUDES HIGH-EFFICIENCY GREEN BURN BURNERS AND IS EQUIPPED WITH DEDICATED ENGA NEXTGEN DIGITAL CONTROLLERS. THE HE SERIES UNITS ARE AVAILABLE IN BOTH INDOOR AND OUTDOOR CONFIGURATIONS AND CAN HAVE HEATING CAPACITIES UP TO 14,000 MBH.