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Anonymous users2024-01-24Need. Because you also need to drain water and vent, it is necessary to use a check valve. I just took measures, it turned out that the bathroom was not working directly, the smell was too big.
The exhaust fan products of the bathroom are generally with their own check valve, in the air outlet position of the exhaust fan product, there is a check valve, generally in the wall hole and the air duct part is not suitable for the installation of check valve, easy to make the check valve can not be opened smoothly, resulting in poor exhaust, and it is not convenient to overhaul, if you still have something unclear, you can consult a professional exhaust fan expert, static electromechanical technology exhaust fan, welcome to inquire.
Yes, otherwise you open the window to take a shower, and you can close the window with the exhaust port, and you are not afraid of being bored.
Bathroom exhaust fans are capacitive-free. Because not all types of motors require capacitors to operate.
This should be caused by the poor insulation effect of the section out of the roof, and you can try to make a section of insulation for the pipe.
It should be installed, if the place is small, of course, it can also not be installed, and the effect of opening the window for ventilation is much better than that of the ventilation fan.