Kit includes the SimpleSteam Generator, SimpleSteam Square Control and Square Steam Head Generator available in sizes: 4, 6, 7.5, 10, 12 & 15 kW Compact design permits generator installation in a vanity, closet, or insulated attic or basement Includes 35' cable (alternative length extension cable sold separately) Recommended generator pan and auto drain 5GA-PAD-240 available for purchase separately Stainless steel tank Limited Lifetime Warranty Control turns system off and on and adjusts temperature and duration Control must be installed inside the shower area