Before turning on the water, make sure that all drain valves are tightly closed.

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〈How to check the drain valve〉

1.Make sure the water heater drain valve is tightly closed.

※If it is loose, turn it to the right (clockwise) to tighten it.

2.Make sure the drain valves in the bathroom and sink are tightly closed.

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※If it is loose, turn it to the right (clockwise) to tighten it.

3.Make sure the kitchen drain valve is tightly closed.

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※If it is loose, turn it to the right (clockwise) to tighten it.

4.Unlock the toilet lever.

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※Make sure the lever next to the toilet tank is pointing downwards.