Getting a Weber Spirit grill cover is a smart investment and will make your grill last quite a few years longer. There have been quite a few Weber Spirit grills manufactured over the years along with three distinct styles of Weber spirit grill covers.
Weber Spirit Grill Cover for Classic Spirit Grills (pre-2000)
Weber Spirit 500: This is the classic little two burner grill that was eventually replaced by the Weber Genesis Silver A. This grill has side mounted burners and the side tables do NOT fold down.
Weber Spirit 700 and Weber Spirit 900: These are the three burner grills that were eventually replaced by the Weber Genesis Silver and Gold B/C grills.
If you want the classic, retro style grill cover for your classic Weber Spirit grill then you will want to buy the Weber 9856. This is a nice cover that completely covers the grill assemble but does NOT cover the propane tank or legs on the grill.
If you want the more modern grill cover for your classic Weber Spirit then you will want to buy the Weber 7106.
Weber Spirit Grill Cover for Modern Spirit Grills (2007 and later)
If you have a Weber Spirit 210 with front mounted burner controls and collapsible side tables then you have two cover choices. If you want to store the grill with the side tables down (or removed) then the correct grill cover is the Weber 7105. If you want to store your Weber Spirit 210 with the side tables in place then you will want to get the Weber 7106.
All other modern Weber Spirit grills like the Spirit 220 and the Spirit 300 series need the Weber 7106 cover. This cover will fit for Spirit grills with either side or front mounted burner control knobs.
The Weber Spirit grill covers for the modern grills come with a three year warranty, Velcro straps for a snug fit and an integrated cover storage bag.