Hello Home Depot Customer - Thank you for taking the time to provide your feedback of our product.
We were sorry to hear that you were not completely satisfied, and we want to make sure that we address all your concerns. This grill does include all of the necessary parts to convert it from propane to natural gas. You do not need to purchase any additional conversion kits.
Please feel free to reach out to us directly at 800-913-8999 if you would need further assistance. Thank you for your valuable feedback and we look forward hearing from you. Thank you again from all of us at The Grill Services!