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P-1110.2 Size of Stack Vent
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The diameter of a stack vent shall not be less than the diameter of the soil or waste stack
of which it is an extension.
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P-919.9.2 Vents, Size of Stack Vent
The diameter of a stack vent
shall not be less than the diameter of the soil or waste
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Plumbing Code 2018 of Philadelphia > 9 Vents > P-919 Philadelphia Single-Stack Waste and Vent System > P-919.9 Size and Length of Vents > P-919.9.2 Size of Stack Vent
P-1110.2 Vents and Venting, Size of Stack Vent
The diameter of a stack vent shall not be less than the diameter of the soil or waste stack
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Philadelphia Plumbing Code > 11 Vents and Venting > P-1110 Size, Length and Number of Vents and Fresh Air Inlets > P-1110.2 Size of Stack Vent
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Plumbing Code 2018 of Philadelphia > 9 Vents > P-919 Philadelphia Single-Stack Waste and Vent System > P-919.9 Size and Length of Vents > P-919.9.3 Size of Vent Stacks
913.3 Vents, Stack Vent
A stack vent shall be provided for the waste stack. The size of the stack vent shall be not less than the size of the waste stack. Offsets shall ...