Clear a Choked Wash Basin/Kitchen Sink

How to Clear a Choked Wash Basin/Kitchen Sink
Components
• The common waste trap used for the wash basin and kitchen sink in HDB flats is the “Bottle trap”.

Possible cause
• Chokes are caused by solid matter or hardened grease in the bottle trap.

What you will need
• Wire hook/thin stick.

How to clear the chokes
• Detach the lower section of the trap by twisting it open (anti-clockwise).
• Remove the solid matter with a wire hook or a thin stick. Flush water to clear the remaining waste.
• If the obstruction is in the pipe, remove the cleaning eye cap.
• Use a wire hook or thin stick to remove the solid matter in the pipe.
• Screw (clockwise) the lower section of the trap back in position.

Extracted from HDB Handbook.