1 answers
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The toilet does not need a vent, and the top and bottom of the toilet are connected, so it will not be flushed due to air pressure.
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No, you can't! Ventilation holes may be connected to the kitchen or bathroom of each home!
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If it's a roof, you don't need a vent! If it is a self-built house with wooden purlins, it needs to have vents for ventilation - to prevent the purlins from becoming moldy!
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The exhaust does not explode.
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Just open the sewer inspection port and poke it open