Product Features / Specifications: CE and ISO 9001 certified, COASTS KSA-90 MODEL W/ KS200A DIGITAL CONTROLLER, Heats up to 500 cubic feet!, Includes steam diffuser and all accessories! Ready to go out of the box!, Safety cut-out and on/off timer Wall-mountable, Auto-drain installed for long life of the tank, Full 3 year extended warranty included, Illumination light and time / temp display digital controller, Single phase power design @ 240V, 60hz. (not three phase like many others) 41 Amp requirements