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Or the reason for the blockage below, the things that come back to the water are not used by you, but the used upstairs can't be washed back to your home. Although someone is asked to pass, it is suspected that the pipe below is easy to block, and to solve the problem, it is necessary to start from the pipe below, and it is best to replace the large pipe.
One is that the pipes of the water flowing from the pool above are shrunk and not inserted deep enough. >>>More
That's a clogged pipe downstairs for you. It must be resolved immediately. Otherwise, it will be clogged again. Your house will be flooded.
In this case, the sewer pipe has been blocked, and it is impossible to determine what caused the blockage. But it must have something to do with their own house and the people upstairs. However, it is not of much significance to pursue this, and it is necessary to dredge the water first.
Analysis of various causes of poor toilet drainage:
1. Poor toilet drainage - slight blockage of the toilet: generally the toilet blockage caused by toilet paper or sanitary napkins, towel rags, etc., can be dredged directly by using a pipe dredging machine or simple dredging tools. >>>More
When it rains, the water table will rise, so the toilet will return water. The drainage facilities are not perfect, check it well and fix it.