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P-501.7 House Traps
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An approved house trap shall be installed in each sanitary house drain and in each house storm
drain located within the property line of the building they serve, and shall be located at the curb line or in the building
just inside the foundation wall. There shall be an air inlet for fresh air entering the house drain just inside the water
seal of the trap.
Exception: Individual on-site subsurface sewage disposal system. (See Section P-1401.2)
Related Code Sections
P-1401.2 Individual Subsurface Sewage Disposal Systems, House Trap
A house trap will not be required where the main sanitary house drain is connected to an
individual on-site subsurface sewage disposal system ...
Philadelphia Plumbing Code > 14 Individual Subsurface Sewage Disposal Systems > P-1401 General > P-1401.2 House Trap
P-411.3 Joints, House Traps
In replacing a broken house trap, an approved mechanical type fitting shall be permitted on one
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P-501.7 Traps, Cleanouts, Interceptors, and Backwater Valves, House Traps
An approved house trap shall be installed in each sanitary house drain and in each house storm
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Philadelphia Plumbing Code > 5 Traps, Cleanouts, Interceptors, and Backwater Valves > P-501 General Requirements for Traps > P-501.7 House Traps
Section P-502 Traps, Cleanouts, Interceptors, and Backwater Valves, House Traps and Fresh Air Inlets
The house trap shall not be less in size than the house drain pipe it traps, and in no case less than 5
inches for sanitary or combination sewers ...
Philadelphia Plumbing Code > 5 Traps, Cleanouts, Interceptors, and Backwater Valves > P-502 House Traps and Fresh Air Inlets
P-606.1 Pipe Supports, Abandoned Drainage
Abandoned laterals shall have the house trap removed, and the pipe shall be
hermetically sealed by a cap or plug at the curb line. Abandoned drainage ...