Replacement G52 emergency valve, XU, Compatible with Polaris 180, 280, 380, 480 and 3900 pool cleaners -

Wide Compatibility: Compatible with Zodiac Polaris 180, 280, 380, 480 PRO, 3900 Sport, Vac-Sweep 380, Vac-Sweep 280, and 280TankTrax models.Provides Sufficient Relief Pressure: Made of stable, friction-resistant POM, this relief valve is robust and durable. It prevents your robot from getting stuck or tangled.The G52 relief valve is ready to install. Simply connect the fittings and hoses securely to operate. It opens every 3 minutes for 30 seconds to free the robot and reverse its cleaning direction. This valve also allows you to free the device from hard-to-reach areas. It is also suitable for saltwater pools.Compared to the previous relief valve, we have improved the shell material: a crack-resistant polymer blend that is more wear-resistant, more resistant to damage, and offers twice the lifespan. Note: If the product is not working properly, disassemble the replacement valve to check if it is stuck in the gears. After cleaning and reinstalling it correctly, it should function normally. This product is sold by xiaosong on behalf of third parties. This is a compatible product. Thank you for your understanding and support.