The LCD Dominator™ Series from RBI offers a competitively priced indoor/outdoor unit that meets the low NOx requirement, while maintaining superior performance and serviceability. The LCD provides dependable performance in rugged environments and process applications, with a wide 225 - 2300 MBH range. At the heart of the unit is a sealed combustion chamber that provides the flexibility of using outside air or mechanical room air for combustion. Priced in line with the atmospheric category heaters, the LCD features smaller vent sizes, resulting in a lower total installation cost.