Used 13 MMBTU/Hr Hot oil heater. Manufactured by Heatec. Model HCI-8010-50. MAWP 150PSIG @ 700F. Flow rate 528 GPM. 1130 Sq ft heating area. 20HP Blower. 6" inlet and outlet. Skid mounted with controls and gas train. Includes HMO Skid with pumps and hot oil surge tank. Serial #06-191. National Board #1508. Built 2006.