The Rheem XG75T12ST76U0 is a high-capacity, 75‑gallon tall natural gas water heater from Rheem’s Performance Platinum High‑Demand lineup. Designed for large households or commercial-like usage, it delivers exceptional performance with up to 100 gallons in the first hour and a recovery rate of approximately 72.8 gallons per hour at a 100 °F rise. It features an eco-friendly low‑NOₓ burner, a self-powered diagnostic gas valve, and a maintenance‑free burner system that automatically disables in the presence of flammable vapors. Engineered for durability and safety, the unit includes a premium-grade anode rod, temperature and pressure (T&P) relief valve, low‑lead compliant components, and side water connections for space heating. Rated for high‑altitude installations, it is 12‑year limited tank and parts warranty, paired with a 3‑year full in-home labor warranty, ensuring long-term reliability and peace of mind.