This is a genuine white cooktop control knob specifically designed for certain Chef cooktops, including models EHC617W and EHC917W. With a part number of 305519801, you can trust its authenticity. The knob has a diameter of 41.5mm, a height of 24.1mm, and a 6mm D shaft. When the pointer is up and you view the knob from the back, the flat side of the shaft is on the right - hand side. If you're uncertain whether this part suits your cooktop, just share your full model number with us before buying, and we'll check with the manufacturer. We've been in the appliance parts business for over 25 years, so you can shop with confidence.


Using this cooktop control knob is easy. Just align the shaft of the knob with the control on your Chef cooktop. Make sure the flat side of the shaft is on the right - hand side when the pointer is pointing up. Then, gently press the knob onto the control until it fits securely. When using the cooktop, turn the knob slowly to adjust the heat settings. This will help you control the cooking temperature more accurately. As for maintenance, keep the knob clean by wiping it with a soft, damp cloth regularly. Avoid using harsh chemicals or abrasive materials as they may damage the finish. If you notice any issues with the knob, such as it becoming loose or difficult to turn, contact us right away. And remember, if you're not sure about this part's fit for your cooktop, check with us first before making a purchase.