Roll out an even bead of plumber’s putty and position it around the new drain fitting. You will want to measure the length from the P-trap to the top hole in the plywood. Many people assume their bathtub doesn’t have a p-trap because they can’t see it like they can with a sink. Types of Bathtub Stoppers. In this episode of Repair and Replace, Stephany shows how to replace a drain in a bathroom sink.Does your sink have a pop-up drain? The type of trap used on a tub drain is a p-trap. How to install a bathroom sink drain s trap. Pull tailpiece free, and unscrew trap from drain extension or drainpipe. One side is bigger than the other so it fits several sizes. Hold the trap-and-pipe assembly in place and mark it for a cut. Study the directions for the tub to determine precisely where the trap should be located. Use tongue-and-groove pliers to remove the old collar. Screw the plywood to the floor, … Step three is to dry fit the pipe and slip fitting into the P-Trap. Tip: Some bathroom sink faucets include a matching drain collar around the drain hole. In order to connect the p trap you ll need a trap adapter that needs to be glued onto the pipe in the wall. However, tub p … The bathtub's drainage assembly consists of two lengths of 1 1/2-inch pipe, one extending from the tub drain and the other from the overflow drain to a 1 1/2-inch sanitary tee that connects downstream to the P-trap. Pull up as you twist it counterclockwise until it lifts out of the drain flange. Shove tailpiece down into trap itself, then twist trap clockwise until you can drain water in trap. Includes planning, equipment and material acquisition, area preparation and protection, setup and cleanup. Fairly simple drain system. You can identify this plug by the tiny knob placed on the product’s cap. Here’s how to connect the plumbing under your bathroom sink. The J-bend beneath the sink is also referred to as the P-trap, the U-bend and sometimes even just the drain trap. When a trap connects to a vertical drain, install a tee fitting. Drain and leak test. Foot lock stoppers are the simplest type of drain mechanism. The first is the normal drain at the bottom, and the other is an overflow point higher up in the tub. Step four is to glue all the PVC floor pipes and pour mortar onto the basement floor. Make your cuts along the floor joists so that you'll have something to support the new subfloor. You will need a 1.5″ trap adapter and a 1.5″ plastic tubing p-trap (sometimes called trim trap). The proper size for both a bathtub drain and trap is 1 1/2 inches in diameter, regardless of the bathtub size. Use tongue-and-groove pliers to remove the old collar. Most drains connect to the tub in two locations. Fabricate and fit drain pipe between trap and existing main drain connection. Only one trap can be installed per drain; These codes ensure proper functioning of a P-Trap in a bathtub installation . The bend in the trap holds a small amount of standing water that s left behind in the drain each time the sink is used. Some manufacturers refer to the drain flange as a "drain body" or "drain basket". Follow these steps to install the P-trap: Slide the short side of the P-trap onto the tailpiece that drops down from the sink drain. 1 drain: $95.42: $117.30: Bathtub Drain Installation Job Supplies You’ll use the 1.5″ x 1.25″ slip joint washer to connect the P-Trap to the lav’s 1.25″ waste outlet. Unscrew it from the drain rim beneath the sink after disconnecting the P-trap. Use a P-Trap. Here are a few bathtub drain schematics and bathtub plumbing diagrams. To plumb the drain for the tub, dry-fit a 2-inch trap onto a length of 2-inch pipe that is longer than it needs to be. HGTV expert Amy Matthews takes you through the steps of replacing a shower P-trap in a major bathroom renovation where you're basically building the shower from scratch. What's Involved in Drain Installation. 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