This Dixie Narco 800 Refrigeration Deck is a very simple and easy to install unit. No need to have any special tools and any welding or refrigeration skills. Anyone can install the unit by themselves, just follow the simple instruction that comes with the unit. A very great investment for your vending machine as a spare part or as a replacement for your current compressor. This Dixie Narco 800 fits any three deep machine and 501E and 600E and the unit comes with a new nd modern style.