New Changers Bill Validators are designed not only for amusement purposes but also for the vending industry. The New Changers Bill Validators sold by A&M are the best in the business. MEI Conlux and MEI have always been the “go-to” for problem-free vending. Buying new help to reduce lost revenue and lower labor costs. The New Coin Changers dispense your choice of $ coins, Quarters, Dimes, and Nickels. The Bill Validators can be programmed to accept up to 20 dollar bills. A large amount of service calls with Vending Machines are with monetary acceptance Switching yours out with new ones is a great way to have problem-free vending.