UNUSED E.K Campbell model 5031018HH air handling, air heater system. Built 1999. With air filter. Fan rated 10100 CFM, driven by 7.5 hp 3/60/460V TEFC motor. Heater chamber 8' long x 5' wide x 5' toll, mounted on a steel frame. Equipped with Chromalox type AR-115EP temperature sensor for 0-100 deg. F. With Valtek control valve type FLOSERVE Serial # 149788.022, MK1 SZ3, Class ISO. With Valtek N/I 3000 transducer 3-15 psi input.