Knob Belling Fan Oven Thermostat BR900DF

Belling main fan oven thermostat knob, marked only with temperature and defrost symbol, for models:
BELLING: BELBR54DFRAU, BR1100DFCNG/LP, BR1100DFCRNG/LP, BR1100IB, BR900DFCNG/LP, BR900DFCRNG/LP, BR900IB, BR900IR