The fat pipes in your house make up the dwv carrying wastewater to a city sewer line or your private sewer treatment facility called a septic tank and field.
Drain waste vent system diagram.
When installing your vents it s highly recommended that you plan out your drain lines to minimize the risk of clogging.
Figuring out your drain waste vent lines if you have to make plumbing repairs around your home it helps to understand your drain waste vent system dwv.
A sanitary tee directs traffic in your home s drain waste vent plumbing system to make sure wastes go down to the sewer and gases go out the vent stack.
Sanitary tee diagram like other types of t fittings it connects two pipes for a main run and one at 90 degrees for a branch run.
In modern plumbing a drain waste vent or dwv is part of a system that allows air to enter a plumbing system to maintain proper air pressure to enable the removal of sewage and greywater from a dwelling.
They lead into larger branch drain pipes which lead into the 4 inch stack.
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As the water runs down proper venting is required to avoid a vacuum from being created.
Both kitchen 1 1 2 inches and bathroom 1 1 4 inches are smaller than the rest of the drain system on purpose.