How to get rid of toilet drain odor

The smell of sewers is a problem with the design, and it is necessary to add a reverse elbow.

There are three causes of toilet drain odor and are categorized as follows:

1. The toilet sewer pipe is not tightly sealed, and there is a gap between the toilet sewer connector gasket and the cast iron or UPVC pipe, open the toilet to take a look, or look down and smell it, if this is the reason, seal it with putty or fireproof mud, install the toilet, and glue it around the toilet bowl and the ground to seal it for secondary sealing.

2. There is no water seal on the floor drain, and the odor can not be effectively sewn and stopped. If this is the reason, go to the market and buy an odor-proof floor drain.

3. The basin drain S bend is not sealed, and the bending is not enough, and the water can not be stored, resulting in the smell of return, if this is the reason, seal the S bend to adjust the curvature.

4. Check whether the bathroom exhaust fan has a check valve, and whether there is an air duct odor channeling phenomenon.

The above points, focusing on the toilet bowl, the general situation is that the sewage well is separated from the reclaimed well, and under normal circumstances, 2 3 items will not appear.

Is it too annoying to have a bad smell in the toilet drain? Pour it down the drain and easily remove the smell and dirt, the toilet drain smell is too bad? Don't worry, Aunt Housekeeping taught me a trick, let's learn it together.