RBI Futera III brochure - California Boiler

Symmetric Air/Fuel Coupling66The boiler will operate without producingdangerous emissions with the flueor air inlet significantly blocked. TheFutera III will react to a change in air orfuel flow, from any cause, by reducingits input while maintaining highcombustion quality. This feature, whileproviding a high degree of safety,reduces sensitivity to flue installationand allows use in areas of variable airinlet pressures with no degradationin performance.CO2The Futera III provides high tolerancefor real world conditions as it maintains100% full input down to 2"wc.Advanced gas train design monitorsand regulates gas input based oncombustion air, which in turnprovides highly repeatable air/fuelratio throughout the operating range.