Symbol 3406 from ISO 7000 - Title/Meaning: Engine coolant drain Function/description: To identify the control that drains coolant from the engine cooling system. To indicate that coolant is draining from the engine cooling system.
pay attention to orientation of symbol
Own work using: iso.org/obp/graphics/grs/3408a9cd-22cb-4b62-9166-ed4cf0bd7bbd 200.png
Vectorization:  Mrmw