Camp Chef Gas Kit & Sidekick for 24-Inch Apex Grill - PG24HGGT. PG24HGGT. Miscellaneous Accessories. Make the 24-Inch Apex your first true hybrid grill. The gas kit comes with built-in chamber burners, and the sidekick mounts to the side of your grill, housing an included griddle. Enjoy the powerful 28K BTU/hr propane burner as it reaches temperatures of 700 degrees - great for deep frying, crab boils, or cooking up sauces and gravy or giving your steak a tasteful sear.