Last Updated：2025/11/29
When installing a kitchen island where a standard vent stack to the roof was not possible, the plumber installed an air admittance vent to allow air into the drainage system without letting sewage gases escape.
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When installing a kitchen island where a standard vent stack to the roof was not possible, the plumber installed an air admittance vent to allow air into the drainage system without letting sewage gases escape.
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