Specifications include, but are not limited to: 1. Circulating Oil Temperature Control System capable of reaching 650°F. 2. Multiple zone PID temperature control system (two or more) with a closed oil loop. 3. 20 GPM and up to 100 PSI via positive displacement pump. 4. Low pressure and high temperature safety shut off switches. 4. Redundant contactor to break main power to heater contactors when motor is not running. 5. Manual valved process bypass, each zone. 6. Low fluid level safety shut off, shuts off unit if the oil level in the reservoir drops to an unsuitable level. 7. Cool down and automatic shut off via time delay relay, activated by push button with customer selectable timer up to 10 minutes. Note: Size is a consideration as the unit is intended for laboratory use.