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A serpentine line with a drain connection.
Also known as: Chilled water coil symbol, Cooler battery symbol
The services drawing symbol for a cooling coil, distinguished from a heating coil by its condensate drain.
Marks a cooling coil within an air handling unit or duct.
Contexts: Technical drawing
Is distinguished from a heating coil by the drain beneath it, because a cooling coil condenses water out of the air and a heating coil does not.
Contexts: Technical drawing
The serpentine coil line with a short stroke running down from a small tray beneath it, standing for the condensate drain.