Do you have to keep the hose door of the toilet connected to the wall open?

The nuts at both ends of the inlet hose connected to the flush toilet are rusty, and they can be used as well, but there is no way to remove them in case they are to be removed, and the entire part can only be replaced. >>>More

Change the hose, pay attention to the leather pad of the joint does not fall off, and wrap a few more loops of raw tape on the outer wire.

The water pipe on the inlet valve is when you flush the toilet, the water in the water tank is flushed down, and the water inlet valve is replenished upward, and this pipe assists in flushing the toilet; The pipe on the outlet valve should be an auxiliary compression closure cap that seals the outlet when not flushing.

It is down, it is impossible to rise and it cannot remain unchanged, because this buoy is to control the water ingress, and you will know that if it is broken, the water will exceed the position of the buoy and cause the toilet to keep leaking. And when it's good, you'll see that the water level is always around its scale, and you can throw a turn or lower the buoy to control the amount of water, because if you turn your head and throw it in, the water storage is actually quite small.

At least buy more than 500, it is too cheap to use for a long time and will change color and crack.