General description The Universal Relief Valve is a high-quality replacement part designed for Polaris pool cleaners, specifically models 180, 280, 380, and 480, as well as Zodiac Polaris 3900 and VAC-Sweep 380. Made from durable materials, this valve ensures long-term efficient operation and is suitable for both fresh and saltwater pools. Technical specifications Product Model: G53 mechanism Compatibility: Polaris 180, 280, 380, 480, 3900, and VAC-Sweep 380 Installation Align the water intake of the new gear with the water intake of the housing after installation. Ensure the housing cover is closed firmly to avoid improper functioning of the gear. If the gear gets stuck due to debris, remove it, clean it, and reinstall. Usage Replace the G52 backup valve for improved water flow and to eliminate leaks. Simple and economical repair that allows cleaners to operate normally.