Polaris 9-100-9002 - Pressure Relief ValveThe Polaris 9 100 9002 Pressure Relief Valve helps regulate water pressure in compatible Polaris pressure side pool cleaners. By releasing excess pressure, it protects the cleaners hose and internal components while helping maintain smooth and consistent operation. Key Features Replacement pressure relief valve Helps regulate cleaner water pressure Protects hoses and internal components Durable construction for pool environments Fits Polaris 180, 280,