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Genuine Bosch part. Bosch brands include Bosch, Thermador, Gaggenau, and others.
Part Number 00641745 replaces AP4073116, 1387251, 641745, AH3479168, EA3479168, PS3479168, PS8729720.
The one-way flap is an OEM part for Bosch vent hoods. Located inside the hood cavity, it allows air to exit while preventing grease and smoke from traveling backward during ventilation.
Causes of a bad one-way flap can include prolonged exposure to cooking residue and vapors, as well as wear from continuous use. Failure to clean internal hood surfaces also contributes to eventual component deterioration.
Symptoms of a bad vent hood one-way flap include:
This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models.
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Bosch 00641745 One Way Flap OEM Part