This large brass burner lock nut is the perfect fit for Chef gas cooktops and stoves. It's Chef part number 51996. With an internal diameter of 28mm, an external diameter of 57mm, and a height of 5mm, it's suitable for a wide range of Chef models. If you're not sure whether it fits your model, just provide your full model number before buying. We've been in the business of supplying appliance parts to both trade and retail customers for over 25 years. You can buy with complete confidence, knowing you're getting a reliable product.


Using this burner locknut is easy. First, make sure your Chef gas cooktop or stove is turned off and cooled down. Then, simply place the locknut in the appropriate position on the burner. Make sure it fits snugly. When it comes to maintenance, you don't have to do much. Just keep it clean by wiping it with a dry cloth every once in a while. If you notice any signs of damage, like cracks or excessive wear, it's time to replace it. Before buying, always double - check your model number to ensure a proper fit. And remember, we're here to help if you have any questions.