General description vhbw offers a robust carbon brush replacement for Ametek models 333261, 850228, 33326-1, and 2311480, designed for central vacuum cleaners. Motor brushes are essential components that transmit electrical current from a static part to the rotating part of a motor or generator. Over time, these carbon pins wear out, potentially causing your device to malfunction. To maintain optimal performance, it is crucial to replace worn-out brushes with high-quality alternatives. Technical specifications Material: graphite Dimensions: 28 x 11 x 6.3 mm Holder dimensions: 45.3 mm Weight (set): 32 g Compatibility and accessories Replacement for Ametek models: 333261, 850228, 33326-1, 2311480 Installation To ensure compatibility, compare the shape and dimensions of this carbon brush with the previous motor brush of your appliance before installation. Usage Regularly check the condition of your carbon brushes and replace them as needed to ensure your central vacuum cleaner operates