You might remember the days when a boiler tune-up mostly meant adjusting the flame. The flame was supposed to be solid blue with the tips slightly rounded. If the flame was soft, wavy and contained ...

The combustion analyzer has become a modern mystery to most service technicians. Let's face it; there isn't a lot of information available on performing a combustion analysis on residential heating ...

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MAXON valves are available with a broad range of trims to safely shut off almost every gas or liquid imaginable, from general purpose to corrosive gases or oxygen. Powerful closing springs provide a ...

Fires in the wildland-urban interface (WUI) differ from wildland fires. Combustible materials in the WUI have different chemical compositions and densities, and are present in different quantities, ...