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Proper Boiler Feed Water Temperature Management | Powerhouse

The difference between 140°F and 180°F in boiler feed water temperature equates to about a 3-4% difference in boiler efficiency. Feed water preheating typically occurs in either the feedwater tank or deaerator using supplementary steam. Pre-heating the feedwater is the most basic method of mechanical deaeration, or the process of removing dissolved oxygen from water.

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Troubleshooting a Gas-Fired Hot Water Boiler

measurements indicate an excess air level of 44.9% with a flue gas minus combustion air temperature of 400°F. From the table, the boiler combustion efficiency is 78.2% (E1). Tuning the boiler reduces the excess air to 9.5% with a flue gas minus combustion air temperature of 300°F. The boiler combustion efficiency increases to 83.1% (E2).

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Improve Your Boiler's Combustion Efficiency

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

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The Temperature in Your Boiler and the Dangers of

Boiler Gauges, how to read the temperature & pressure

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Boiler Temperature Set Points For Residential Baseboard

Mar 12, 2014 · The average setting for a gas-powered hot water boiler is 180°F. This provides the appropriate level needed for most cold weather temperatures. If you can raise the temperature manually, do not set it any higher than 210°F (which is often the limit), and …

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

How to Adjust the Water Temperature of a Hot Water Boiler

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Boiler Gauges, how to read the temperature & pressure

Jun 18, 2008 · The gas jets play onto a heat exchanger connected to a pipe carrying cold water. The heat exchanger takes the heat energy from the gas jets and heats the water to something like 60°C (140°F). Photo: The gas jets inside a boiler fire up to heat the water. Natural gas burns blue when it has the right amount of oxygen.

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What temperature should a condensing boiler be set at

You should set the temperature between 60 and 65 °C but for maximum efficiency, it should be set to around 60 °C. Do not set it lower than this as you could increase the risk of contracting Legionnaires' disease. Legionnaires' is a form of pneumonia that's caused by bacteria in water.

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Gas central heating boilers and furnaces - How do they work?

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

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How to Adjust the Water Temperature of a Hot Water Boiler

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 …

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