No. 906 electrically heated unit has an operating temperature of 250oF (121oC) and offers 20 kW total installed in Incoloy-sheathed tubular heating elements. A 4,200 cfm 3-hp recirculating blower provides vertical upward airflow to the load. Eleven 30 x 14" trays ride vertically on a chain drive. Each tray is individually indexed to the load/unload position.