How many bends does a sink drain have?
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Furthermore, how many bends can a toilet drain have?
The 90 degree bends also are tough to pass through with drain cleaning equipment.
Also, can you hook up two sinks to one drain? Speaking from personal experience, only use one trap in a dual sink bathroom. With two traps, you can get air pockets blocking one or the other's drain. Normally, these double tees are used for adjoining bathrooms, so you can have a sink on each side of the wall, and share the same stack.
Then, why do sinks have u bends?
That U-shape is called the P-trap Gravity traps an amount of water inside the bend after it goes down the drain, and this liquid plug serves as a block against sewer gas. A common reason that people begin to detect sewer odors in their homes is because of dried P-traps. (But don't reach for the liquid drain cleaners!
What is the difference between a J bend and a P trap?
The J-bend beneath the sink is also referred to as the P-trap, the U-bend and sometimes even just the drain trap. While there are some subtle differences between each of these fittings, they all essentially mean the exact same pipe in a drain pipe system.