3. The principle of magnet floor drain: This type of floor drain is mainly sealed by the magnetic suction gasket of the magnet. When the magnet floor drain is used for a period of time, more metal impurities are adsorbed on the surface of the magnet, which will cause the gasket to open. resulting in poor deodorant effect. Since the characteristics of the magnet itself are also affected by the earth's magnetic field, the magnetic force will be reduced.

4. The principle of mechanical floor drain: It mainly uses the principle of reverse gravity to open and close the gasket. Compared with the above four kinds of floor drains, this type of floor drain has no obvious shortcomings. No water seal is required, and no external force such as springs, magnets, etc. is required.
5. The principle of spring-type floor drain: The spring-type floor drain is divided into two types: up-and-down type. Press and hold the pop-up pressing plate, the cover will pop up, and press it again to return to its original position. The downward type is combined with the sealing gasket at the bottom of the spring telescopic sealing core for sealing.
How to replace the bathroom floor drain
1. Pick up the pliers and pliers to take out the original floor drain completely, and remove the surrounding cement, sand, cement and other sundries.
2. After cleaning, use a paper towel to absorb the water, clean the pipe opening with a rag, and put it into the floor drain to check whether the height of the floor drain is appropriate.
3. Take the appropriate anti-seepage material and mix it evenly, and then apply the evenly mixed anti-leakage cement to the groove and the periphery of the new floor drain.
4. Wait 2 minutes, put the floor drain into the groove, pay attention to leveling, put the filter shaft dipped in water into the floor drain base, and rotate it properly to fully combine the silica gel around the filter shaft with the base, and put on the filter screen to complete the replacement.

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