The Rheem Gladiator 50 Gal. electric water heater provides an ample supply of hot water for households with 3 to 5 people. The Gladiator water heater is unlike any other water heater because it provides the Power to Know, the Power to Control, and the Power to Protect. The Power to Control: integrated EcoNet Wi-Fi enables management of water temperature, tracking of energy usage and monitoring from your phone. The Power to Protect: Features the LeakGuard Auto Shutoff Valve, which engages in the unlikely event a leak is detected, to protect your home from water damage. Its self-cleaning feature prolongs tank life and maintains the water heater's efficiency. This model comes with 2 5500-Watt stainless steel heating elements. Size: medium.