Compatibility G52 pressure relief valve compatible with Zodiac Polaris Pool Cleaner 180 380 280 480 PRO 3900 Sport VacSweep 380 VacSweep 280 280 TankTrax New Upgrade Compared with the previous pressure relief valve we have upgraded the shell material made of crackresistant polymer mixture which is more wearresistant than the previous product will not be easily damaged and has twice the service life Solve the problem We have checked some common problems and made some improvements In addition if you encounter the following situations it is stuck in the reverse position the water is discharged continuously it cannot work and there is a harbinger of explosion it may be that the gear is working If it is caused by the displacement in the middle open the casing check whether the external gear of G53 is displaced and correct it G53 gear mechanism Made of durable and stable POM material it can work continuously under ultrahigh water pressure but if there is too much sand the gear will be stuck At this time you need to remove the grinding wheel to clean the sand and continue to work Do not mention The continuous water spray from the buyer s feedback caused Polaris to have floating problems because the local water pressure exceeds the adaptable water pressure too much and we have made improvements Aftersales service Lifetime warranty You can reduce excessive worries about product quality and service because if you have any questions about the G52 replacement valve you received as long as you give us feedback we will reply to you within 24 hours Buy with confidence We are always loyal to our customers