Polaris® G52 Back-Up Valve Kit for Polaris Pool CleanersPolaris G52 Backup Valve Replacement Kit is a genuine replacement part designed for Polaris pressure side pool cleaners. This high quality backup valve ensures continuous movement and prevents the cleaner from getting stuck, improving overall cleaning efficiency. Made from durable plastic, the valve provides long lasting performance and reliability in pool environments. Compatible with multiple Polaris models, including Vac Sweep 180, 280, 380, 3900