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This situation is not necessary. If it does, it will affect the flushing effect of the toilet.
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You don't need to have one, the purpose of the trap is to close it, otherwise the smell of the pipe will run into the house.
If you want to look good in the bathroom shower, you can consider hiding the floor drain, but remember to choose a longer one, collect the water faster, if you can, use a double hidden floor drain, the drainage will be faster. If you want to make things simple, just use the ordinary floor drain alone. The valve core should be durable and choose the U-shape, but the U-shape is recommended to be equipped with a double floor drain, because the U-shape drains slower. >>>More
The interface is not sealed, although the problem of the sewer pipe is solved, but the sewer pipe and the ground interface are not sealed, it will still smell bad.
Hygiene: What is the distance of the toilet drain trap?
The underground ones are not easy to smell, and the above-ground ones are easy to clean, and I still advocate the underground ones.
I was also puzzled about this, and I read many answers, and I also read many lawyers' answers, and I felt that the property or the developer should fix it, design problems or drain pipes, or cut corners. Because the downstairs is the most innocent, nothing has been done, and it has been leaked; Upstairs is also innocent, with normal water use, and no abnormal use to block the pipes; So it's best to find a property. >>>More