Symbol 5610 from IEC 60417 - Title/Meaning: Oven, warm circulating air Function/description: To identify the control and/or the indication for warm air circulation.
Additional information: 
Published in: Supplement N, 1995,3C(Central Office)192
Own work using: iso.org/obp/graphics/grs/9922ce0d-a9c2-4396-8b0e-7ef32025ebae 200.png
Vectorization:  Mrmw