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Anonymous users2024-01-24You go outside and find a repairman, take him to your home, and ask him to fix it for you.
The toilet ventilation pipe on the roof of the building directly releases the dirty gas into the air, where there is no need for disinfection. If there are other uses on the roof and you need this part of the space, you can connect the air duct a little higher.
According to the picture, the snorkel bends should be transitioned at an angle of 45 degrees as much as possible to provide smooth ventilation.
The main function of the snorkel is to exhaust odorous gases. >>>More
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.
After you did that.
1. The ventilation riser downstairs is equivalent to saying that it is sealed, and the whole drainage pipe becomes a top ventilation version, without a ventilation riser, and the amount of water discharged is reduced by about 4L s (reducing the general drainage capacity), which affects the drainage capacity of the entire drainage pipe, and there is a huge drainage risk. >>>More