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Rain, moisture water...
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The ventilation duct of the current bathroom is generally common to the solar water pipe, is it a place where the solar water pipe has water seepage?
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What is the exhaust pipe made of?
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Most bath bombs say that they have an exhaust function, but in the actual use process, it is found that the exhaust capacity is almost negligible. Maybe your bath bomb has a strong exhaust function, and the water vapor has turned into water. Hehe.
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One possibility is that the air in your bathroom is too humid, the temperature difference is large, and the water vapor condenses. Your exhaust pipe is not flushed straight down.
The second possibility is that yours is pouring rain or snow outside.
It may be caused by water vapor during bathing, and if this cause is ruled out, it may be a water leak upstairs. >>>More
Toilet vents share plumbing.
The exhaust duct has two airways, one is the main airway and the other is the bronchi. >>>More
What the hell is going on with dripping exhaust pipes? Listen to it and you'll understand!
What you're doing is unreasonable, but it's not illegal. That exhaust pipe was there when he bought the house. Not after you. >>>More
No, you cannot.
You don't need to exhaust yourself, and the residents of several floors downstairs also need to use it, and the common equipment cannot be removed. >>>More