Best P Traps for Showers and RV Bathrooms: A Comprehensive Guide
The right P trap is essential for preventing sewer gases and pests from entering your shower or RV bathroom, while also helping prevent clogs. This article reviews five top-rated P traps, focusing on installation ease, material durability, and suitability for residential and RV use. Each section covers key features, ideal scenarios, and practical tips to choose the best match for your setup.
| Product | Brand | Type | Best For |
|---|---|---|---|
| Lesso America RV P Trap 1.5 Inch | Lesso America | P-Trap, ABS | RV showers; odor and pest prevention |
| Dearborn P9703WBG 1-1/2″ P-Trap | Oatey | P-Trap with Threaded PVC Adapter | Home plumbing with easy glue-cut PVC connections |
| RecPro RV Shower Drain and Bathtub Drain P Trap | RecPro | P-Trap assembly | RV shower and bath drainage |
| Self-Sealing Waterless P Trap 1-1/2″ | TJCYGO | Waterless, dry-seal P-Trap | Occasional-use fixtures; odors prevention |
| Plumb Pak 200WK P Trap, 1-1/4″ | Plumb Pak | P-Trap kit | Simple, reliable residential installs |
Lesso America RV P Trap 1.5 Inch
The Lesso America RV P-Trap is crafted from ABS plastic to deliver toughness, temperature tolerance, and corrosion resistance. Its design emphasizes a reliable water seal to block odors and pests from invading the RV living space. The unit aims to simplify RV plumbing while reducing the risk of clogs by trapping hair and debris at the bend. This trap is well-suited for outdoor showers, compact RV bathrooms, and other mobile setups where space and ease of maintenance matter.
Key features include strong abrasion resistance, a straightforward installation approach, and a focus on odor control and pest defense. When selecting this trap, ensure compatibility with your RV plumbing diameter and the threaded adapter requirements. The unit’s gloss black finish blends with many RV interiors, though aesthetics vary by installation. Consider this model if you prioritize durability and a robust water seal in a compact, travel-friendly package.
Dearborn P9703WBG 1-1/2″ P-Trap
The Dearborn P9703WBG P-Trap is built with PVC for easy cutting and glue applications, featuring full-sized wings on the nuts and longer threads for dependable assembly. It includes a Marvel connector for flexible installation scenarios. This trap suits standard residential plumbing where PVC piping is the norm, offering a balance of affordability and reliability. It’s a practical choice for DIY plumbers tackling bathroom or kitchen drain projects that require a straightforward, compatible trap with accessible hardware.
Consider this option if your system uses PVC piping and you want a sandwich-friendly installation with robust threaded connections. It’s particularly appropriate for remodels or new installations where dependable glue-and-pipe methods are common. Always verify the adapter sizing and ensure the trap aligns with your drain’s inlet and outlet orientation to avoid leaks or misfits.
RecPro RV Shower Drain and Bathtub Drain P Trap
RecPro’s RV Shower Drain and Bathtub Drain P Trap is designed to manage wastewater from showers and tubs in RVs, directing it toward the gray water tank. The trap helps minimize smells and camouflage odors by maintaining a seal and reducing the entry of small organisms. It comprises the inlet, bend, and outlet, with emphasis on keeping the drain area secure and smelling-free. This product is specifically targeted at RV owners who need a reliable, integrated drainage solution for shower and bath applications.
When evaluating this option, assess compatibility with your RV’s gray water system, the ease of installation, and how the trap integrates with existing shower fixtures. The RecPro model is a practical pick for RV enthusiasts who value a purpose-built, travel-friendly trap that aligns with RV plumbing layouts and maintenance routines.
Self-Sealing Waterless P Trap 1-1/2″
The TJCYGO waterless P-trap uses a dry-seal membrane to prevent backflow of air and wastewater, eliminating dependence on a water-filled trap. It’s designed for occasional-use fixtures, including RVs, guest baths, boats, and mobile homes. The trap maintains pressure balance and can replace traditional traps in some configurations. A five-year warranty provides additional assurance for buyers seeking a long-term, low-maintenance solution. This option appeals to environments where evaporation or siphoning could compromise a conventional water seal.
Key considerations include compatibility with various pipe diameters, the need for a membrane-based seal, and the potential for easier winterization since it doesn’t rely on water in a trap. While the self-sealing design is advantageous for seasonal use, verify which fixtures will benefit most from a waterless trap and confirm that the installation method fits your plumbing plan.
Plumb Pak 200WK P Trap
The Plumb Pak 200WK P Trap kit includes 1-1/4-inch inlet and outlet, making it a straightforward choice for standard residential bathroom installations. The kit typically bundles the necessary nuts and washers, easing the installation process for DIY enthusiasts and professionals. This option emphasizes compatibility with common 1-1/4-inch drain lines and offers a reliable, easy-to-install solution for preventing sewer gases from escaping through the shower drain or sink.
When selecting this trap, confirm the exact inlet/outlet sizing needed for your bathroom fixtures and whether you need a kit that includes hardware. Its simplicity and familiarity make it a dependable choice for routine bathroom plumbing projects, including retrofits and new installations alike.
Buying Guide: Key Purchase Considerations
- Material and durability: ABS and PVC are common for traps due to corrosion resistance and ease of installation. Consider the environment (RV vs. home) and temperature exposure when selecting material.”
- Seal type: Traditional water-filled traps rely on a water seal, while waterless (dry-seal) options use membranes. Waterless traps minimize evaporation risks but require compatible piping and proper maintenance checks.
- Size and fit: Measure inlet and outlet diameters (commonly 1-1/2″ or 1-1/4″). Ensure compatibility with your fixture and existing drain lines, including adapters and threading where applicable.
- Installation complexity: Some kits emphasize glue-and-pipe connections, while others use threaded adapters for easier retrofits. For DIY projects, choose a model with clear instructions and included hardware.
- RV vs. residential use: RV applications prioritize compact design, odor control, and pest prevention. Residential traps should emphasize compatibility with standard plumbing and ease of access for maintenance.
- Maintenance and clogs: Traps that trap debris at the bend help reduce downstream clogs. Consider how easy it is to clean or inspect the trap and to winterize if used in seasonal climates.
- Warranty and support: A longer warranty (where offered) can be a signal of durable design. Review supplier support and replacement parts availability for future maintenance.
- Integrated vs. standalone: Some products include complete drain assemblies or adapters, simplifying installation, while others are standalone traps requiring additional components.
To ensure the best outcome, align product selection with your fixture type, installation space, and maintenance preferences. For RVs, prioritize odor and pest control, compact size, and compatibility with gray water systems. For homes, focus on standard pipe sizing, ease of installation, and durability against daily use. Compare materials, seals, and installation methods to identify the trap that minimizes odors and clogs while fitting your plumbing layout.