Make your pool automation dreams come true with this Jandy Aqualink RS-PS4 Automation System IAquaLink 2.0 Upgrade. This top-of-the-line control circuit board and control panel set includes everything you need to manage your pool and spa with ease. With remote-controlled features, you’ll never have to leave the comfort of your lounger to adjust the temperature or turn on the jets. Perfect for any home with a pool or spa, this high-quality system from Jandy is a must-have for those who want to relax in style. This system has both new and preowned parts with it. The iAquaLink 2.0 antenna and power control board are preowned and work great. THE AUX 1 SLOT ON THE PCB DOES NOT SIGNAL THE RELAY TO TURN ON OFF SO ALL THE OTHER AUX INPUTS ARE GOOD TO GO AND CAN BE USED. THIS IN NO WAY EFFECTS THE FUNCTIONALITY OF THE SYTEM. The way I have it wired right now it will work fine. Comes with 3 relays to operate your pump and other accessories such as lights and blower etc. This is a super nice system and works with the iAquaLink app and you can control your system from anywhere. This setup is great because it is designed to be wired in conjunction with your existing breaker panel. All you need is your actuators and your water temp and air sensors and you are good to go. I HAVE FULLY TESTED THIS SETUP AND EVERYTHING OPERATES AS IT SHOULD EXCEPT THE FOREMENTIONED AUX 1 INPUT THAT DOESNT WORK. The panel and all the internals such as relays and transformer are all new. The panel shows slight signs of scuffs from being stored but there is no damages to the panel. Overall everything looks great and will make your owning a pool way easier to handle. Please see pics for additional item details and condition. Thanks so much for looking.