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It's better to put up an icon, I guess you're talking about the overflow pipe, which means that the excess water will overflow from the tank when it is full.
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It's for pressure relief, it doesn't matter.
The top is to fill the basin with water, and if you can't adjust it, it's dead, and the bottom is to fill the water tank, which can be adjusted, and its level directly affects the amount of the water tank.
The toilet inlet valve water supply pipe is also a water supply valve, which can automatically maintain the pressure of the system to the set value, and can automatically replenish water. >>>More
1 All 1At the same time, three hot water channels are used, and the capacity of the water heater is insufficient; >>>More
The three holes are breathable, and the water outlet should be pressed all the time because the water outlet activity plug is adjusted low, so that you can control how much water you want to flush, and the water inlet valve keeps ringing because the float valve is not closed, resulting in water leakage.
There is a saying that foreign monks can chant scriptures, and this imported is better than theirs.