Riello Burners has introduced its "R" Series burners, suitable for commercial and light-process applications. The "R" Series is offered in two design platforms with 64 model configurations to fit a variety of applications. The firing ranges/capacities include dual fuel from 177,000 Btu/hr to 4,760,000 Btu/hr, gas from 177,000 Btu/hr to 7,813,000 Btu/hr, natural gas low NoX from 307,000 Btu/hr to 6,388,000 Btu/hr, and light-oil from 2.4 USgph to 65.6 USgph. The "R" Series burners are available in on-off, 2-stage, and modulating configurations. www.riellousa.com Riello Burners.