Check the listing for details. RS800 / 850 COOLING UNIT / COMPRESSOR DECK, FULLY TESTED AND WORKING. Condition: Used. Listed at 599.00 USD. FOR SALE IS A TESTED AND FULLY WORKING COOLING UNIT / COMPRESSOR DECK FOR THE FOLLOWING MODELS OF COMBO VENDING MACHINE RS800/850. IF YOU ARE NOT SURE IF THIS WILL WORK IN YOUR MACHINE BE SURE TO ASK. IF YOU ORDER THE WRONG COMPRESSOR YOU WILL HAVE TO PAY FOR SHIPPING BACK OF THE WRONG COMPRESSOR PLUS SHIPPING COST OF THE RIGHT COMPRESSOR. I AM HAPPY TO HELP YOU WITH ANY QUESTIONS YOU HAVE. ALL SALES FINAL. I LOOK FORWARD TO EARNING YOUR BUSINESS. THIS UNIT HAS THE BACK DRAIN PLUG. MAKE SURE YOUR COMPRESSOR HAS THIS DRAIN SYSTEM. I INCLUDED A PHOTO OF THIS. IF YOUR NOT SURE JUST SEND ME A PHOTO OF YOUR UNIT AND I CAN CONFIRM FOR YOU. I ALSO SELL MANY OTHER PARTS FOR THIS MACHINE AND MANY OTHERS. FEEL FREE TO ASK QUESTIONS ABOUT THIS ITEM OR ANY OTHER I SELL. ALL SALES FINAL. WE LOOK FORWARD TO EARNING YOUR BUSINESS. FEEL FREE TO ASK QUESTIONS REGARDS VENDING COMPANY