The ATI-510C 100 Tankless Non-Condensing Water Heater by AO Smith is a powerful and efficient water heating solution for your home. With a power source of Corded Electric and NG (Natural Gas), this instantaneous heating system provides hot water on demand, saving energy and maximizing hot water usage. While the control panel is missing, this tankless water heater still offers reliable performance and is designed for easy installation and maintenance. It operates at a voltage of 120V, making it compatible with most electrical systems and providing a steady supply of hot water for your needs.