Commercial Universal Heavy Duty 76 gal. 180K BTU Natural Gas Tank Water HeaterRheem Commercial Universal Gas Water Heaters present an ideal solution for compact retrofit scenarios, boasting a space saving design and robust capacity to cater to demanding commercial needs. With its compact size and versatile water connections, installation is simplified even in tight spaces. It's worth noting that this model requires a 120 Volt power source. Notably, it features a system sentinel LED diagnostic system for efficient operation