The Polaris Epic 8640 Jacuzzi JCRX Control Box Power Supply R0899200 is a replacement control box specifically designed for Polaris Epic and JCRX models. It is a genuine Polaris product manufactured by the brand themselves, ensuring compatibility and quality. This control box is suitable for in-ground pools and comes with all the necessary components to power and control your Polaris pool or jacuzzi system effectively. Barely used at all.