Our FB400 and FB500 Kamado kits will work with both a Vision Pro C-Series & S-Series & Elite grills if our Flame Boss® Kamado VC Adapter is also purchased. Here is a link to the VC Adapter on our website:
To attach the Flame Boss® Kamado VC to your Vision Pro S-Series grill, provided below is a video a Flame Boss® 500 Kamado user created showing the process on his Vision S-Series grill.
Video: https://www.youtube.com/watch?v=6ygjJCLPbTs (Watch at 5:00m timestamp)
To install the Flame Boss VC Adapter on a Vision C-Series grill, open the ignitor door and insert the VC adapter from beneath by inserting the notched tabs on the VC adapter into the gaps between the door hinges.
If you need further assistance, please click here to Contact Us or call us at 800-978-9078.