The Rheem XG50T12HE40U0 is a high-efficiency 50-gallon tall natural gas water heater from Rheem’s Performance Platinum series, designed for durability, energy savings, and long-term reliability. It delivers up to 86 gallons in the first hour and recovers hot water at a rate of up to 40.4 gallons per hour at a 90°F rise, making it ideal for homes with moderate to high hot water demand. Equipped with a self-powered diagnostic gas control valve and a maintenance-free low-NOx burner, it ensures safe and efficient operation with minimal upkeep. The unit also includes a premium-grade anode rod for extended tank life, a self-cleaning feature to reduce sediment build-up, and is certified for high-altitude installation up to 10,200 ft. It meets all major efficiency and safety standards and comes backed by a 12-year limited warranty on the tank and parts, plus 3 years of in-home labor coverage for added peace of mind.