The Rheem XG40S06EC34U0 Performance 40-Gallon Short Natural Gas Water Heater is a compact, high-efficiency solution ideal for homes with limited space. Featuring a 34,000 BTU burner, it delivers a strong first-hour rating of up to 64 gallons and a recovery rate of approximately 51 GPH, making it suitable for households of 2–4 people. This model includes push-button ignition, a maintenance-free combustion air intake, and a premium anode rod for extended tank life. The low NOx design ensures cleaner emissions, while certifications like CSA, FVIR, and Water Heater Safety Standard compliance guarantee reliable performance. Finished in gray, it comes backed by a 6-year limited tank and parts warranty and a 1-year in-home labor warranty, offering both performance and peace of mind.