This replacement pressure relief works with your Polaris 180, 280, and 380 pool sweep cleaners. It is an original factory replacement part. The Polaris Pressure Relief Valve is spring-loaded and will open up to bleed off excess pressure. It features Quick Disconnect for easy installation into your Universal Wall Fitting. Keep your Polaris system cleaning your pool effectively. We are an experienced Polaris dealer! Has a 1-year manufacturer warranty! Zodiac Swimming Pool Systems and Products have proven over and over to be among the leaders in the industry for all types of applications. By using only the highest quality materials and manufacturing, customers can be assured that they are receiving only the best products. Our best-in-class consumer products are the #1 choice for millions of pool owners and professionals worldwide, and with our expansive product line, we deliver the most technologically advanced, energy-efficient, durable, and reliable pool and spa products available on the market.