Upstairs flushing the toilet, why does the cover of my floor drain jump?

Because the pipe is a closed state, if there is water into the pipe then the air will be squeezed, so the squeezed air will come out of the floor drain of your house, of course, the taste is not known, if the amount of water is large, then the air will be sprayed out quickly, so the floor drain cover of your house will jump up. You can look at the Kindall floor drain, which has a reentry function so that air doesn't erupt out of the drain.

It should be the landlord's house of the floor drain outlet is not well sealed, resulting in air pressure backlash, it is recommended that the landlord choose a floor drain with anti-odor function, and the floor drain with bayonet, [Duoling] pure copper 8 anti-floor drain can effectively solve the landlord's problem, give you a pure and healthy life!

The landlord can go to Jingdong or Taobao Mall to have a look, with high sales and good reputation

When the whole drainage system is drained, negative pressure will be generated in the sewer pipe, and when the drainage below is not smooth, the upstream of the sewer pipe will generate positive pressure, that is, the gas will rush up, so that the floor drain cover of your home will jump up. Using Bang Ge's five anti-one free function floor drain will prevent you from this phenomenon.