Symbol 5614 from IEC 60417 - Title/Meaning: Oven, lower and upper heating Function/description: To identify the control and/or the operating condition of an oven, lower and upper heating.
Additional information: 
Published in: Supplement N, 1995,3C(Central Office)192
Own work using: iso.org/obp/graphics/grs/c7b81cd2-0281-416f-88cb-c1c01657c937 200.png
Vectorization:  Mrmw