Polaris 9-100-9002 Pressure Relief Valve Replacement Pressure relief valve replacement Fits Zodiac Polaris pool cleaner models 180, 380, 280 Also fits Zodiac Polaris pool cleaner models 480 PRO, 3900 Sport, Vac-Sweep 380, Vac-Sweep 280, 280 TankTrax This product weighs 1 pounds