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That's what happened to my house, and the master said that it was fixed with glass glue, and that no one used nails now.
If it is a cover, it is to protect the water inlet from being damaged during transportation, and it will be useless when the installation is over.
It is possible that the buckle has been loosened, and if such a problem is not easy to deal with, it can only be forcibly and brutally removed.
A: You open the lid on the back of the toilet to see if something is leaking, you can ask someone to help you look at it, take the broken plastic piece and go to the plumbing store outside. >>>More
To see if the inlet valve is broken or the water level floating bucket is stuck, open the water tank cover and take a look.
As long as the price difference is 30-40%, then it is absolutely fake, I am Kohler doing the engineering. Taobao things should be cautious even if they are Tmall stores, and after-sales is a big problem, so it is recommended not to buy them online.