WarmlyYours TempZone Shower Mat 48” x 48” 120V Center Drain Electric Shower Floor Heating Kit With nSpire Touch Programmable Touchscreen ThermostatThis is a complete floor heating system that can be paired with a Pro GEN II shower waterproofing system. This 48 by 48 TempZone Shower Mat with a center drain should be paired with a Pro GEN II 48 by 48 shower pan with a center drain so that the drain holes in each will line up correctly to accommodate a drain assembly. The TempZone Shower Mat will deliver a heat output of 15 watts per sq. ft. and is UL rated for wet locations in both the U. S. and