411391 Thermador Cooktop Knob Vent Blower Black Thermador OEM Part: 411391 All Our Parts Are Factory Approved For A Proper Fit Brand New in Original Retail Packaging 411391 Knob Vent Blower Black Part Number 00411391 replaces 1047783, 20-01-891-01, 20-01-891-07, 20-01-897-07, 411385, 411391, AH3456881, EA3456881, PS3456881, PS8707240.