Modern bath drains, controlled by a lever on the overflow menu, operate in big part from a position of concealment. Concealed in the bath flood pipe is just a alleged raise linkage that, rising or slipping in response to the control lever, opens or ends the drain in one of two ways. A pop-up strain uses a steel stopper at the tub store, while a trip-level drain regulates the outflow of water with a plunger at the intersection of the overflow pipe at the drain.
A common issue of tub drains is blocking caused by the deposition of hair on the trip-lever drain plunger or Desentupidora De Pia on the spring at the end of a pop-up strain raise linkage. To eliminate the hair, the raise linkage must be removed from the overflow tube.
That is performed by unscrewing the overflow menu and pulling on it. The exact same method is sometimes necessary to be able to regulate along the raise linkage; incorrect adjustment--perhaps caused by bad installation, possibly by use and tear--can result in a leaky drain or the one that fails to start fully.
The many conduits of the drain--the flood tube, outlet tube and trap--are less inclined to experience issues than those of lavatories or sinks. They are often manufactured from weightier pipe with strong cast-brass accessories that clearly fight corrosion. And their concealed position safeguards them from random knocks.
If your pop-up drain leaks, the O-ring below the steel stopper may be worn. Start the drain and pull out the stopper and the musician linkage. Clean these parts of accumulated hair. Wear a fresh O-ring, then replace the stopper, functioning it sideways or straight back and forth until it opens the extend in the pipe. Ensure that the bottom of the bend in the linkage encounters down. It's that easy!