The drain strainer of the kitchen sink is commonly referred to as a sink strainer or a sink basket strainer. It is a device that fits into the drain opening to prevent food particles, debris, and other objects from clogging the pipes. The sink strainer is an essential component of the kitchen sink to help maintain proper drainage and prevent blockages. **

To assemble a kitchen sink strainer, start by placing the rubber gasket on the bottom of the strainer basket. Then, insert the strainer basket into the drain hole in the sink. From underneath the sink, slide the rubber gasket and the cardboard friction ring onto the strainer basket threads. Finally, screw the locknut onto the threads and tighten it with a pair of pliers. Make sure the strainer basket is centered and the gasket is compressed to create a watertight seal. **

You can purchase a standard drain strainer at most hardware stores, home improvement stores, or online retailers. They are commonly found in the plumbing section of these stores. Make sure to check the size and type of drain strainer you need before purchasing to ensure it will fit your drain properly. **

To clean the drain strainer in the bathroom, you can start by removing the strainer from the drain. Next, use a brush or old toothbrush to scrub away any debris or buildup on the strainer. You can also soak the strainer in a mixture of hot water and vinegar to help loosen any stubborn grime. Once clean, rinse the strainer thoroughly before placing it back in the drain. **

The cost to replace a shower drain strainer can vary depending on the type of strainer and the complexity of the installation. On average, the cost of a basic shower drain strainer can range from $10 to $50. However, if you need to hire a professional plumber to install the strainer, the cost can increase to around $100 to $300, including the cost of the strainer. It's best to get a few quotes from plumbers in your area to get an accurate estimate for the total cost of replacing the shower drain strainer. **

When water is poured into a sink, it flows down the drain due to the force of gravity. As the water enters the drain, it is guided by the shape and slope of the pipes, which help to direct the flow downward. The water then travels through the pipes and eventually enters the sewer system or a septic tank. The movement of the water is facilitated by the smooth surface of the pipes, which reduces friction and allows for a more efficient flow. **

To determine if the sink drain pipe is clogged, you can try running water down the drain and observing if it drains slowly or backs up. If the water is slow to drain or doesn't drain at all, it is likely that the sink drain pipe is clogged. You can also try using a plunger or a drain snake to clear the clog. If these methods do not work, it may be necessary to call a plumber to professionally clear the clog. **

The sink drains poorly when there is a buildup of debris, such as food particles, grease, or soap scum, in the drain pipe. This buildup can restrict the flow of water, causing it to drain slowly or become completely clogged. Additionally, a poorly designed or installed drain pipe can also contribute to poor drainage. Finally, a lack of proper maintenance, such as regular cleaning and clearing of the drain, can lead to poor sink drainage. **