S-Trap drains are often prohibited because unlike P-Trap drains, S-Trap drains easily lose their water seal.
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| Plastic S-Trap in Package |
The parts of the S-Trap include a J-Bend. The J-bend is also used in the P-Trap. The S-Trap is also made up of a curved sink trap, which attaches the J-bend to the floor pipe.
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| The J-Bend (labeled C), Raised Sink Trap, and elongated Floor Pipe. |
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| Center to End and Thread Engagement measurements on the J Bend and Sink Trap. Fitting allowance calculations on the J Bend and Sink Trap. End to End, Inside Diameter and Outside Diameter measurements on the floor drain. |
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| Inside, outside, and end to end measurements on the washers. Thread engagement measurement on the threaded connector. |
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| Parts and measurements. |
