The Rheem Commercial Universal Gas Water Heaters excel in retrofit applications with their compact design and robust capabilities, catering to heavy-duty demands with ease. Its streamlined dimensions and versatile water connections simplify installation, particularly advantageous in constrained commercial spaces. Noteworthy is the necessity of a 120-Volt power source for this model. Featuring a space-saving design, including short heights and narrow jacket diameters with multiple water inlet/outlet options, it offers unparalleled installation flexibility. The System Sentinel LED diagnostic system ensures operational integrity with sequential LED verification. Constructed with a durable tank design, precision stainless steel burners, and a low-profile automatic flue damper, it prioritizes longevity and reliability. Serviceability is enhanced with features like a full-port brass drain valve and hand-hole cleanout for easy maintenance. Incorporating a direct spark to pilot ignition system and patented corrosion-resistant anode design, it optimizes energy efficiency and extends tank life. Fully insulated with fiberglass and mineral wool, it ensures energy conservation and durability. The gas control system, encompassing a versatile thermostat and a combination gas valve, allows precise temperature regulation and efficient operation. Additionally, the Universal line offers customizable configurations ranging from 35 to 100 gallons, available in various BTU/h capacities for both natural gas and liquid propane options. Please be aware of emissions regulations in certain regions, as outlined in the highlights section.