RBI has introduced the Futera Fusion™, a boiler that is IBR-listed and up to 97.5% efficient. The gas-fired condensing boiler with full modulation and a 3:1 turndown is available in sizes from 500 to 2000 MBH. This boiler features advanced heat exchanger technology with solid bronze headers, a gasket-less heat exchanger and finned copper or cupronickel tubing for superb heat transfer. A metal-fiber burner allows seamless modulating turndown and ultra-low emission levels.