Under Sink Plumbing for Bathrooms

An expansive assortment of Oatey® and Dearborn® brass and plastic tubular products are available in 1-¼ in. and 1-½ in. options. The trap adapter connection to the stub out, the pipe extending through the wall or floor, will determine the largest size of tubular product that can be connected with a slip nut and washer. This point of connection can also be reduced for 1-¼ in. tubular assemblies, with a reducing washer and slip nut. Bathroom sink installations are normally completed with 1-¼ in. tubular products. For more than 100 years, Oatey and Dearborn have earned the trust of both plumbing professionals and consumers, providing superior quality products with consistent reliability to perform again and again. Shop P-traps, S-traps, waste arms, extension tubes and many more tubular products for bathroom sink installations below.