R0552000 Tanks Adapter with Rings and Union is a direct replacement tank adapter assembly for compatible pool and spa cartridge filters. It restores proper connections between the filter tank and plumbing so filtration systems can operate reliably. Key benefits Restores performance: replaces worn or damaged adapter components to eliminate leaks and maintain correct water flow through the cartridge filter. Durable construction: crafted from durable materials to withstand regular pool and spa use and extend service life of the filter assembly. Full assembly included: ships with adapter rings and union to simplify replacement and reduce the need to source separate parts. Broad compatibility: designed to fit compatible cartridge filter tank models for straightforward integration with existing systems. Ideal for professionals and owners: useful for pool maintenance technicians and pool owners who perform routine service and part replacement. What it does and why you need it Function: establishes a secure, sealed connection between the filter tank and plumbing union, supporting consistent filtration and preventing water loss. Problem solved: fixes leaks, worn threads, and degraded seals that reduce filtration efficiency and require frequent attention. What makes it stand out: complete adapter assembly with included rings and union means fewer components to worry about during replacement. Attributes Function: tank adapter assembly for cartridge filters Compatibility: for compatible pool and spa cartridge filter models Material: crafted from durable materials for reliable service Performance: promotes leak connections and steady filter operation Use scenarios Swap in a adapter assembly during routine spring opening to prevent leaks and ensure crisp filtration for the coming season. a worn or cracked adapter after noticing reduced flow or intermittent leaking during normal pool operation. Service a commercial or residential filter during scheduled maintenance to restore proper union connections and minimize downtime. This R0552000 adapter assembly is a practical replacement part to keep cartridge filtration systems operating smoothly and reliably.