Reliance 50-Gallon Self-Cleaning Natural Gas Water Heater precise temperature control through its electric gas control valve, ensuring optimal performance and safety. This water heater is designed for convenience with a Piezo igniter that enables easy one-hand pilot ignition without the need for matches. The tank is glass-lined for durability, and the anode rod helps protect against corrosion, extending the life of the unit. It features factory-installed PEX polymer lined heat trap nipples and a temperature and pressure relief valve for added safety. Environmentally conscious users will appreciate its non-CFC foam insulation that makes this water heater eco-friendly. Model Number: 9 50 NKRT