The Vendo VC407 Refrigeration Deck is a great buy. It fits most Vendo machines such as 407, 475, 511, 570 and 601. This is a great investment that you can keep as your spare part for your vending machine. This unit is very easy to intall, you don't need to use any special tool jut to install it and you it comes with an easy to understand manual. You can even install this unit yourself, no need to have refrigeration skills. This easy to install Vendo VC407 fits two or three deep machine.