Unit must be hardwired to a dedicated 220v line with GFCI breaker Electric Voltage - 220V, 60HZ Electric Current - 30A for Steam Generator Steam Generator - 6000W Overheat protection (the steam generator will be shut down automatically if the temperature of the box gets too hot) No water protection (if there is no water in the steam generator, it will shut down immediately) Comes with flexible drain hose Comes with flexible hot and cold valve Hot & Cold Valve Pipe Size - 1/2 Inch Corner Unit: The unit should be backed up against the left and back side walls (there are no skirts on the left or back side of the unit) IMPORTANT NOTE: It is the customer's responsibility to read the manual and specifications online to make sure this unit will work for their application. ETL Listed - click here to read more information on the safety of ETL units Like UL (Underwriters Laboratories), an ETL Listed Mark certifies that the product was tested by a Nationally Recognized Testing Laboratory (NRTL) and that it meets the widely accepted, minimum product safety standards. And just like the UL Mark, the ETL Listed Mark is recognized and endorsed by manufacturers, retailers, distributors, and authoritative bodies to be safe for use in homes and in workplaces all across the United States. Installation Manual click here