Compatible models include: WF428AAW， WF438AAR / XAA， WF448AAW， WF209ANW / XAA-00， WF407ANW / XAA-00， WF520ABP / XAA-01， WF520ABW / XAA-01， WF219ANB / XAA-00， WF219ANB / XAA-01， WF419AAW / XAA-00， WF350ANW / XAA-00， WF409ANW / XAA-01， WF448AAE / XAA-00， WA5471ABW / XAA-00, WF448AAE / XAA-02， WF219ANW / XAA-00， WF350ANR / XAA-00 Used to monitor the direction and speed of rotating rotors Can replace PS4204666, AP4336294, EAP4204666 ( please confirm the corresponding models are consistent with the shown in the picture This component can solve the following problem: the washer cannot start The water levels has not reached the correct levels The washing machine shakes left and right Make of ABS, it has compressive and wear-resistant properties and can be directly replaced