| 摘要 |
PURPOSE: A drainpipe for air conditioner is provided to prevent wrong operation and damage of the air conditioner by preventing backflow of condensed water. CONSTITUTION: A bent part(66), comprising a first bent part(66a) bent to be U-shaped and a second bent part(66b) extended from the first bent part and bent to be upside-down U-shaped, is formed on one side of a drain pipe(64) near an end of the drain pipe connected with an air conditioner or near the other end which is outdoor side to prevent backflow of condensed water due to increasing pressure in the drain pipe caused by foreign matters accumulated in a filter installed on an inlet of the air conditioner.
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