AABCN3-100T75-NOV American Water Heaters 100 Gallon 75,000 BTU Low Nox Light Duty Commercial Gas The BBCN3 100T75 4NV commercial gas water heat meets California Air Quality Management District Requirements of NOx emissions of less than 14 ng/j. This model is equipped with a pre-wired, factory-mounted blower. Fully Automatic Controls with Safety Shutoff- Accurate, dependable control system requires no electric connections. Heavy Gauge Steel Jacket- Finished with baked enamel over bonderized undercoat. Easy-To-Install- Completely factory-assembled. Only gas, water and vent connections need to be made. All connections are located in front and top of heater for ease of installation/service.