DRAIN VALVE OPERATING MECHANISM

PROBLEM TO BE SOLVED: To provide a drain valve operating mechanism that enables intuitive checking of an on-off valve state of a drain valve and that is excellent in easiness of the checking.SOLUTION: A drain valve operating mechanism includes a drain valve, a button for operating the drain valve, and a control cable for transferring an operating physical force, which is generated by a button operation, to the drain valve. The drain valve operating mechanism to be used is equipped with a marking that synchronizes motions of the drain valve with each other. Particularly, the drain valve operating mechanism to be used is equipped with an identification pin in which a visual indication or a marking object provided on the button is coupled to the button.