The Rheem Commercial Universal Gas Water Heater is expertly engineered to excel in tight retrofit scenarios, boasting a compact design without compromising on capacity or performance. With multiple water connections located conveniently on the top, front, and rear, installation becomes remarkably streamlined, earning its moniker: Universal. Notably, a 120-Volt power source is required for this model. Key highlights include its space-saving design, accommodating short heights and narrow jacket diameters for maximum installation flexibility. The System Sentinel LED diagnostic system ensures seamless operation, while the robust tank design, featuring proprietary steel formulation and patented multi-flue design, guarantees superior heat exchange. Stainless steel burners and a low-profile automatic flue damper further enhance performance and durability. Servicing is made effortless with features like a factory-installed full-flow brass drain valve and a hand-hole cleanout for lime/sediment deposit removal. Additionally, the direct spark to pilot ignition system optimizes energy usage, and built-in corrosion resistance ensures a prolonged tank life. Fully insulated with fiberglass and mineral wool, this water heater prioritizes energy efficiency while the gas control system offers precise temperature regulation and safety features. Please note regional restrictions apply for residents of California, Utah, and Texas due to emissions regulations.