From the brand
The job of the P-trap is to direct the waste from the shower away from the drain area and out of the home. In a stationary home, this would mean out of the home entirely and into the sewage system below. In an RV, however, this means that the water goes into the gray water tank that you empty out later.
Used water can often carry smells and other things that you might not want around you and the P-trap keeps away the smells and fumes associated with it as well as any small organisms that might want to enter your living space. The P-trap is made of three parts; the inlet, the downward bend, and the outlet. The inlet is where the water enters.
The downward bend is where the water gathers and fills to create the airtight seal that keeps out the fumes and small organisms. The outlet is where the water exits the pipe. Generally speaking, the P-trap is located as close to the center of the shower as possible, as the farther away the trap is from the drain, the more smells will accumulate over time.
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Price: $20.95
(as of Dec 28, 2025 05:23:12 UTC – Details)
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