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// CODE SNIPPET

P-811.2 Minimum Size of Fixture Supply Pipes

Philadelphia Plumbing Code > 8 Water Supply and Distribution > P-811 Water Supply Fixtures > P-811.2 Minimum Size of Fixture Supply Pipes
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Minimum sizes of fixture supply pipes shall be as listed in Table P811.2.

TABLE P-811.2 —
MINIMUM SIZE OF WATER FIXTURE SUPPLY PIPES
Fixture Pipe Fixture Supply (inches)
Bathtubs 1/2
Combination Sink and Tray 1/2
Dishwashing Machine, Domestic 1/2
Drinking Fountain 3/8
Flushing Rim Sink 3/4
Hose Bibb 1/2
Hot Water Tanks, Domestic 1/2
Kitchen Sink, Hotel or Public 3/4
Laundry Trays 1/2
Lavatories 3/8
Service Sink 1/2
Shower, Multi-Stall 3/4
Shower Stalls 1/2
Urinal, Pedestal, Direct Flush Valve (Flushometer) 1
Urinal, Stall, Blow-out or Wash-out; Direct Flush Valve (Flushometer) 3/4
Urinal Tank 3/8
Wash Fountain, Duo 1/2
Wash Fountain, all other 3/4
Washing Machine, Domestic 1/2
Water Closet Direct Flush Valve (Flushometer) 1
Water Closet Tank 3/8

P-811.2.1 Provisions

The size of the water fixture supply pipe shall be the full nominal diameter as prescribed in Table P-811.2 and shall be installed undiminished in pipe size to the floor or wall directly adjacent to the fixture it is intended to serve. Flexible water pipe connectors used in connecting the water supply pipe to fixture faucets and which provide a rigid joint when made up shall not be considered a reduction in pipe size.

Related Code Sections


P-811.2 Water Supply and Distribution, Minimum Size of Fixture Supply Pipes
Minimum sizes of fixture supply pipes shall be as listed in Table P811.2. TABLE P-811.2 — MINIMUM SIZE OF WATER FIXTURE SUPPLY PIPES ...
Philadelphia Plumbing Code > 8 Water Supply and Distribution > P-811 Water Supply Fixtures > P-811.2 Minimum Size of Fixture Supply Pipes
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The vertical portion of piping in a fixture drain to a horizontal branch shall be 2 inches (51 mm). The minimum size of the vertical portion ...
Plumbing Code 2018 of Philadelphia > 9 Vents > 917 Single-Stack Vent System > 917.5 Minimum Vertical Piping Size From Fixture
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