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How many elbows or offsets can be used in a vent system?

April 26, 2017elbows offsets system Used vent

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How many elbows or offsets can be used in a vent system?

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The rules may vary from area to area, and you should always check with the local building inspector. With the appliances used today, the use of an excessive number of elbows can cause condensation problems. Try to limit the installation to no more than two 90º offsets and to use offsets of no more than 45º wherever possible.