Your home or office s plumbing systems are composed of both drainage and vent systems that work together to remove water and waste.
Waste pipe roof vent.
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At the building drain system s lowest point the drain waste vent is attached and rises usually inside a wall to and out of the roof.
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Drain pipes take the wastewater to the soil stack.
The venting system or plumbing vents consists of a number of pipes leading from waste pipes to the outdoors usually through the roof.
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It is a vertical pipe attached to a drain line and runs through the roof of your home.
Why plumbing air vents are important.
Through the stack sewer gases are carried up to the roof through vent lines.
Vents provide a means.
Cesspits are generally prohibited in developed areas.
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It channels the exhaust gases to the vent and helps maintain proper atmospheric pressure in the waste system.
It helps maintain proper atmospheric pressure in a building s waste system and channels the exhaust gasses to the vent.
Use 1 1 2 or 2 inch pipe for the drains and maintain the same minimum slope as on waste lines.
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The pipe leading to the main roof vent is called the vent stack.
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Waste exits from the building through the building s main drain and flows through a sewage line which leads to a septic system or a public sewer.
The vent stack is the pipe leading to the main roof vent.
If the drains are farther than five feet from the stack you must also vent them.
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