natural gas boiler temperature test

Combustion Testing - Engineering ToolBox

excessive air leaks in boiler or furnace; wrong fuel-air ratio; Stack Temperature. The "net stack temperature" is the difference between the flue gas inside the chimney and the room temperature outside the burner. Net stack temperatures above 700 o F (370 o C) are in general to high. Typical values are between 330 - 500 o F (160 - 260 o C).

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What's the best temperature for a condensing boiler to be ...

Jan 22 2019 · This is the temperature at which water droplets form. For natural gas boilers the dew point is around 55C. In other words the water in the return pipe needs to be 55C or lower or your boiler ...

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Flue Gas Temperature and Heat in the Flue Gas Flow (Btu ...

Example #1 - Determination of the Flue Gas Temperature from a Natural Gas Furnace In this specific example the combustion device is an older lower efficiency Natural Gas Home Furnace. The fuel is considered to be Standard (1040 Btu/std. ft3 ) the fuel consumption is 100000 Btu/hr (HHV Basis) and the heat delivered to the home is ...

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