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VENT CONNECTIONS AND GRADES

Philadelphia Code Subcode P, § 905
in effect
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SECTION 905 VENT CONNECTIONS AND GRADES P-905.1 Connection. Individual, branch and circuit vents shall connect to a vent stack, stack vent, air admittance valve or extend to the open air. * * * P-905.6 Vent for future fixtures. Where the drainage piping has been roughed-in for future fixtures, a rough-in connection for a vent shall be installed. The vent size shall be not less than one-half the diameter of the rough-in drain to be served or a full-size vent when serving drainage piping as part of a single- stack vent system. The vent rough-in shall connect to the vent system, or shall be vented by other means as provided for in this chapter. The connection shall be identified to indicate that it is a vent. * * *
Source: City of Philadelphia, The Philadelphia Code and Home Rule Charter (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/philadelphia/latest/philadelphia_pa/0-0-0-312335Fetched: 10/27/2026

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