Maintaining a reliable plumbing system starts with smart choices—especially when it comes to managing water flow in showers. A shower trap with non-return valve is a simple yet powerful solution that prevents water from flowing backward, reducing the risk of costly leaks and mold. This essential device keeps your shower or bathroom dry while ensuring long-term protection for your pipes.
Understanding the Shower Trap and Its Purpose
A shower trap is a U-shaped pipe fitting installed beneath shower fixtures, designed to hold water and block sewer gases from entering your home. Unlike standard traps, a shower trap with non-return valve adds a critical function: the one-way valve prevents water from flowing backward. This backflow protection keeps wastewater from reversing direction during pressure fluctuations or pipe failures, significantly lowering the chance of hidden leaks and structural damage.
How a Non-Return Valve Enhances Plumbing Safety
The non-return valve embedded in the shower trap is engineered to allow water to flow only forward—never backward. This design is crucial in multi-point plumbing systems where pressure changes can cause water to backflow into fixture drains. By eliminating reverse flow, the valve safeguards against potential contamination and pressure imbalances, ensuring consistent flow and system integrity. It’s a small component with a big impact on safety and efficiency.
Installation, Maintenance, and Benefits of Non-Return Valve Traps
Installing a shower trap with non-return valve is straightforward and recommended by modern plumbing codes. It requires basic tools and a steady hand, making it accessible for DIY enthusiasts. Regular maintenance—like checking valve function and cleaning debris—is minimal but vital to keep the system effective. Benefits include reduced risk of mold growth, fewer plumbing repairs, and a quieter, more reliable shower experience with stable water pressure and uninterrupted flow.
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Investing in a shower trap with non-return valve is a smart, proactive step toward protecting your home’s plumbing. By preventing backflow and maintaining consistent water flow, this essential fixture delivers peace of mind, durability, and enhanced safety. Whether upgrading an existing system or installing anew, choosing a well-designed trap with a non-return valve ensures your shower remains functional and leak-free for years to come.
Order McAlpine Shower Trap with Non-Return Valve and 1 1/2" Outlet Chrome 90mm at Screwfix.com. Screwfix customers rate this product 4.7/5. FREE next day delivery available, free collection in 1 minute.
Upgrade your shower drainage with the 90mm Shower Trap, featuring a Non Return Valve for secure and efficient water flow. The McAlpine ST90CP10-NRV 90mm x Spring Loaded Non-Return Valve with 1½" Solvent Weld Outlet Socket is a plumbing fitting that is designed to prevent backflow of wastewater. The valve features a spring-loaded mechanism that allows water to flow in one direction but prevents it from flowing back in the opposite direction.
The valve has a 90mm diameter and a 1½" solvent weld outlet socket. Mcalpine Shower Trap With Non Return Valve (90mm) ST90CP10-NRV A 90mm spring-loaded non-return valve for shower trays, featuring a 1.1/2 Inch solvent weld outlet and a 110mm chrome plated plastic flange. The valve opens under water discharge and reseals immediately when flow stops, blocking foul air and backflow while preventing odors.
Easily removable for cleaning, this model has an overall. 90mm x Spring Loaded Non-Return Valve with 1½" Solvent Weld Outlet Socket - Overall Height 53mm 90mm Shower Trap with Non-Return Valve 90mm x Spring Loaded Non-Return Valve with 1½" Solvent Weld Outlet Socket Overall height 53mm The valve acts as a non. Order online at Screwfix.com.
White plastic cover plate. Overall height of only 75mm and suitable for installation in floors where depth is restricted. Eliminates the release of foul air due to backflow.
Valve can be removed easily to facilitate cleaning. FREE next day delivery available, free collection in 1 minute. The McAlpine 90mm Shower Trap With Non Return Valve ST90CP10-NRV effectively prevents foul odors and backflow in your shower drainage system.
It efficiently traps hair and debris, ensuring smooth water flow. Perfect for maintaining a clean and hygienic shower environment. 90MM SHOWER TRAP WITH NON-RETURN VALVE ERP (Energy Efficiency) N Type SHOWER TRAP Toilet Cistern Capacity FTW.
McAlpine VSG1T6SS Trapped Shower Gully Non-Return Valve (535HR) compare (1) Suitable for Tiled & Stone Floors Horizontal Outlet Socket Reducer Not Included. The valve is made from high-quality materials that are designed to withstand the rigors of daily use and to provide long-lasting reliability. Overall, the McAlpine ST90CP10-NRV 90mm x Spring Loaded Non-Return Valve with 1.5" Solvent Weld Outlet Socket is a high.