| 摘要 |
A single housing for insertion in one hole in a sink provides three fluid flows: (a) drinking water (b) dishwater effluent and (c) water treatment effluent. In addition, a vent or air gap to atmosphere is provided at the housing for the two effluents to satisfy code requirement of an air gap between the dishwater and drinking water device, and the sanitary sewer. A vented airspace is also provided between the drinking water pipe and the housing.
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