Jul 25, 2013 · The rep told me that the important value is the difference between the "Combustion Efficiency" and the "Fuel to Output Efficiency". So in my example of a Burnham 3P-200-G boiler, the difference is 82.629% - 80.217% at the pressure, ambient temperature listed, etc., which is 2.412%.Learn More
Heat Dissipation in Electrical Enclosures | Fan/Blower Selection and Sizi…Learn More