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Anonymous users2024-01-24Can't open, you need to install a check valve on the mouth of the ventilation duct to prevent the turbidity inside from pouring into your room, because people on other floors also share this bathroom ventilation duct, be sure to do a good job of sealing measures, static electromechanical technology can provide you with suggestions on exhaust fan ventilation.
The sewer pipe of the bathroom and the ventilation pipe of the toilet are two different pipes, one is for running water and the other is for ventilation, of course, they cannot be used interchangeably.
The waterproof treatment of the ground connection part of the sewer pipe is unqualified.
This matter generally has to be prepared with two hands, one of which is to negotiate (find the neighbors of the building, the property management, the property committee, etc.) to let it rectify and recover, which is estimated to be difficult. Second, when you modify your own water and electricity, connect the ventilation pipe to the exterior wall, which is feasible and not expensive, but the smell does not know who will affect it, so it should be a last resort and let everyone know about it.
This section of the ventilation pipe in your own home should be moved, which is completely fine, and the common pipe cannot be moved. >>>More
It should be a leak between the ventilation pipe and the floor slab, and the leakage king should be blocked.