HET thermal oil heater is designed for heavy duty operations with high quality performance. The hot oil heater is made by excellent material and components with an attempt to provide the best sustainability. There are several advantages you must know about the thermal oil heater: Oil Tray Free: HET series with no oil tray below ensures fluid hot oil flows evenly in the heater and keeps oil leakage from taking place. Three-routes rotation: Due to the design of three routes, our HET seires has bigger heat conducting surface than other hot oil heater on the market, which requires less fuel to run the operation. Mid-sized Tube: To extend the lifetime and avoid over-heating. Quick-open gate: To make maintenance faster and easier.