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If the main pipeline is blocked, the pipe is useless, and only a dredging machine can be used.
Obviously, the downstairs restaurant has changed the plumbing or sewage needs at will, and does not want everyone to know the internal details. >>>More
Hello friend, if it is the first time, you can find a professional to dredge the sewer, if you often do this, it is recommended that you discard the original pipe, and find a professional plumber to change the pipeline after sealing it is the best way.
The reason for the frequent blockage of the water needs to be investigated, and it is necessary to pay attention to how many meters it is blocked after dredging, so as to make it easy to find the location.
Friends, remember to turn off the water valve every time there is a blockage, otherwise your house will become a sewage well... Below I write to you: >>>More
The underground pipe leading from the bathroom drain to the septic tank in the distance is clogged. Find property maintenance and dredging, the facilities in the building belong to the personal maintenance of the homeowner, and the public facilities outside the residence should be the responsibility of the property.