Upgrade your Flair 58x with Flair's electric preheat system, to ensure consistent thermal management and in-product preheat capabilities. Set the preheat electric system to one of three temperatures: low 85°C, medium 90°C, or high 95°C. These temperature settings roughly correspond to brewing temperatures needed for dark, medium and light roasted coffee. Included in the preheat electric system is: Flair 58 Brew Head Preheat controller Power Pack U.S. extension cord This system does not include a puck screen or a valve plunger.