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  • Waterway CPVC Check Valve Lock Ring 718-7021-CPVC Waterway Lock Ring Nut for CPVC Check Valve 718-7021-CPVC

    Waterway CPVC Check Valve Lock Ring | Replacement Part | 718-7021-CPVC

    The Waterway 718-7021-CPVC Lock Ring is a durable replacement component designed to maintain the integrity of Waterway CPVC check valves. This ring delivers a firm, secure fit that keeps valve assemblies properly sealed and aligned. Manufactured from robust, chemical-resistant materials, it performs reliably in the demanding conditions found in pool and spa plumbing systems. By replacing a worn lock ring, you can restore proper valve...
    Regular price $17.99
    Regular price Sale price $17.99
    Unit price /  per 
  • Waterway DE Grid Support 550-4380 for Crystal DE Filter 20 Inch 36 sq ft Waterway Crystal Water 36 sq ft Grid Support Part 550-4380

    Waterway Crystal DE Filter Grid Support 20" 36 sq. ft. | 550-4380

    The OEM Waterway DE Grid Support Assembly 550-4380 is a key internal structural component engineered for the 36 sq ft Waterway Crystal Water DE Filter. Equipped with a 20-inch PVC shaft, this assembly holds the filter grids in proper alignment and facilitates the even coating of diatomaceous earth powder across all grid surfaces. Its rugged design handles sustained water pressure and continuous chemical exposure, delivering...
    Regular price $42.99
    Regular price Sale price $42.99
    Unit price /  per 
  • Waterway Crystal Water DE Filter Element Cluster 36 Sq Ft 550-4110 Waterway DE Filter Cluster 550-4110 Assembly View

    Waterway Crystal Water 36 Sq. Ft. DE Filter Element Cluster - Part 550-4110

    Restore your pool's filtration power with this 36 sq. ft. DE filter element cluster, precisely engineered as a drop-in replacement for the Waterway Crystal Water DE filter model 570-0036-07. Featuring high-grade synthetic filtration media, this fully assembled cluster traps fine particulates, algae, and suspended debris to keep your pool water pristine and inviting. The package comes complete with the OEM top collector manifold with air...
    Regular price $279.99
    Regular price Sale price $279.99
    Unit price /  per 
  • Waterway Crystal Water DE Filter Element Cluster 48 Sq Ft 550-4120 Waterway DE Filter Cluster 550-4120 Assembly Detail
    Sold out

    Waterway Crystal Water 48 Sq. Ft. DE Filter Element Cluster - Part 550-4120

    Bring your pool filtration back to peak condition with the OEM Waterway Crystal Water DE Filter Element Cluster | 48 Sq. Ft. | 550-4120. This fully assembled replacement grid cluster is purpose-built for Waterway Crystal Water DE filters including model 570-0048-07, offering 48 square feet of high-performance synthetic filtration media that captures even the finest suspended particles and contaminants. Every component arrives ready to install:...
    Regular price $299.99
    Regular price Sale price $299.99
    Unit price /  per 
  • Waterway Tank Lid 550-4480 for Crystal Water 525 Cartridge Filters Waterway Crystal Water 525 Cartridge Filter Tank Lid Part 550-4480
    Sold out

    Waterway Crystal Water 525 Cartridge Filter Tank Lid | 550-4480

    The OEM Waterway Tank Lid 550-4480 delivers a secure, pressure-tight closure for Waterway Crystal Water 525 square foot cartridge filter systems. Molded from rugged, weather-resistant materials, this lid is built to handle continuous system pressure and withstand outdoor exposure year-round. Its exact-fit design allows for a quick, straightforward replacement that restores a proper seal, helping your filtration system maintain steady performance and keeping your pool...
    Regular price $349.99
    Regular price Sale price $349.99
    Unit price /  per 
  • Waterway Crystal Water Cartridge Filter Manifold Assembly 550-4300

    Waterway Crystal Water Cartridge Filter Manifold Assembly - Part 550-4300

    The OEM Waterway Manifold Assembly 550-4300 is engineered to deliver balanced water distribution throughout the cartridge elements in Waterway Crystal Water filtration systems. Fitting the 325, 425, and 525 square foot models, this manifold is instrumental in maximizing filtration throughput and prolonging the operational life of your filter components. Crafted from tough, pool-rated materials that resist degradation from chemical treatments and continuous use, it ensures...
    Regular price $75.99
    Regular price Sale price $75.99
    Unit price /  per 
  • Waterway Tank Bottom 550-4407 for Crystal Water Cartridge Filters Waterway Crystal Water Cartridge Filter Tank Bottom Part 550-4407

    Waterway Crystal Water Cartridge Filter Tank Bottom | 550-4407 | 550-4400

    The OEM Waterway Tank Bottom 550-4407 is a precision-molded replacement base for Crystal Water Cartridge Filters, restoring the structural foundation your filter needs to operate reliably. Engineered for universal compatibility with both legacy and current filter head styles, this tank bottom drops in without modifications or adapters. Fabricated from heavy-duty, chemical-resistant materials, it withstands sustained high-pressure operation and prolonged contact with treated pool water. Swapping...
    Regular price $469.99
    Regular price Sale price $469.99
    Unit price /  per 
  • Waterway Crystal Water 425 Sq Ft Cartridge Filter 570-0425-07 Waterway Crystal Water Cartridge Pool Filter System 570-0425-07

    Waterway Crystal Water Cartridge Filter | 425 Sq. Ft. Capacity | 570-0425-07

    The OEM Waterway Crystal Water Cartridge Filter, model 570-0425-07, stands as a powerhouse filtration solution engineered for residential and commercial pools and spas alike. Boasting 425 square feet of filter surface area, it handles flow rates reaching 150 gallons per minute, making it a top choice for pools demanding rapid water turnover and outstanding clarity. Proudly made in the USA, this system incorporates 2.5-inch internal...
    Regular price $1,139.99
    Regular price Sale price $1,139.99
    Unit price /  per 
  • Waterway Crystal Water DE Filter Manifold Nut 718-4320

    Waterway Crystal Water DE Filter Manifold Nut | 718-4320

    The genuine Waterway Manifold Nut 718-4320 is a factory-spec fastener purpose-built to anchor the manifold assembly inside your Waterway Crystal Water DE filter tank. Fabricated from resilient materials and machined to tight tolerances, this nut delivers a firm, reliable hold that keeps internal components properly positioned during operation. It plays a vital role in sustaining pressure equilibrium and structural alignment, contributing directly to the smooth...
    Regular price $9.99
    Regular price Sale price $9.99
    Unit price /  per 
  • Waterway Crystal Water DE Filter Top Manifold With Air Relief 550-4200 Waterway Top Manifold Assembly 550-4200 Side View

    Waterway Crystal Water DE Filter Top Manifold With Air Relief - Part 550-4200

    The OEM Waterway Top Manifold with Air Relief 550-4200 serves as an indispensable part of Waterway Crystal Water DE filtration systems. Equipped with a built-in air relief valve, this manifold vents accumulated air from the filter housing, promoting uninterrupted water circulation and maximizing filtration effectiveness. Fabricated from robust, pool-grade materials and compatible across multiple Crystal Water DE models, it keeps your system running at peak...
    Regular price $75.99
    Regular price Sale price $75.99
    Unit price /  per 
  • Waterway Long Elbow Fitting 550-4410 for Crystal Water DE Filter 2.5 Inch Waterway Crystal Water DE 2.5 Inch Elbow Fitting Part 550-4410

    Waterway Crystal Water DE Long Elbow Fitting 2.5" | 550-4410

    The OEM Waterway Long Elbow Fitting 550-4410 is a 2.5-inch directional plumbing component specifically shaped to channel water flow within Waterway Crystal Water DE filtration systems. By routing water along the correct internal path, this elbow fitting promotes efficient circulation and contributes to consistent filtration output. Built from heavy-duty materials that tolerate ongoing pressure loads and chemical exposure, it forms a dependable connection point that...
    Regular price $59.99
    Regular price Sale price $59.99
    Unit price /  per 
  • Waterway Crystal Water 36 Sq Ft DE Pool Filter 570-0036-07

    Waterway Crystal Water DE Pool Filter | 36 Sq. Ft. | 570-0036-07

    Achieve exceptionally clear pool water with the Waterway Crystal Water DE Filter, a precision-built filtration system that combines robust construction with outstanding particle removal. Offering 36 square feet of filtration surface area, this high-capacity filter keeps your swimming pool water sparkling while reducing the frequency of maintenance sessions. Its tank is constructed from chemical-resistant, fiberglass-reinforced polypropylene, providing the structural integrity and corrosion resistance needed for...
    Regular price $979.99
    Regular price Sale price $979.99
    Unit price /  per 
  • Waterway Crystal Water 48 Sq Ft DE Pool Filter 570-0048-07 Waterway Crystal Water DE Filter 48 Sq Ft System 570-0048-07

    Waterway Crystal Water DE Pool Filter | 48 Sq. Ft. | 570-0048-07

    Step up your pool's water quality with the Waterway Crystal Water DE Filter, delivering an impressive 48 square feet of filtration capacity for thorough debris and particle removal. This swimming pool filter is built around rugged internal components housed within a fiberglass reinforced polypropylene tank that resists cracking and chemical degradation. The pull-out filter grid pack and industrial-strength tamper-proof clamp make servicing fast and uncomplicated,...
    Regular price $999.99
    Regular price Sale price $999.99
    Unit price /  per 
  • Waterway Crystal Water 60 Sq Ft DE Pool Filter 570-0060-07 Waterway Crystal Water DE Filter 60 Sq Ft System 570-0060-07

    Waterway Crystal Water DE Pool Filter | 60 Sq. Ft. | 570-0060-07

    Take pool filtration to the next level with the Waterway Crystal Water DE Filter, providing a substantial 60 square feet of filtration surface area for maximum debris capture and water polishing. Engineered around durable internal elements and encased in a fiberglass reinforced polypropylene tank, this swimming pool filter stands up to years of continuous operation without compromise. The slide-out filter grid pack and robust tamper-proof...
    Regular price $1,199.99
    Regular price Sale price $1,199.99
    Unit price /  per 
  • Waterway Air Relief Assembly 550-4320 for Crystal Water Filters Waterway Crystal Water Air Relief Assembly Part 550-4320

    Waterway Crystal Water Filter Air Relief Assembly | 550-4320

    The OEM Waterway Air Relief Assembly 550-4320 is an essential service part for Waterway Crystal Water DE Filters, purpose-built to purge trapped air and preserve consistent system operation. When air accumulates inside the filter housing, this assembly releases it to restore proper water circulation and keep filtration running at maximum efficiency. Made from quality materials selected for their resistance to pool chemicals and operating pressures,...
    Regular price $32.99
    Regular price Sale price $32.99
    Unit price /  per 
  • Waterway Crystal Water Filter Bulkhead Fitting 550-4270 Waterway Bulkhead Fitting 550-4270 Pack Detail

    Waterway Crystal Water Filter Bulkhead Fitting - Part 550-4270

    The OEM Waterway Bulkhead Fitting 550-4270 delivers a leak-proof junction point for Waterway Crystal Water Cartridge and D.E. filters, maintaining stable water flow and consistent system pressure. Manufactured from high-strength, chemically resistant materials, this fitting stands up to the demanding conditions found in pool equipment environments. By ensuring a secure, watertight connection at critical plumbing points, it plays a central role in preserving filtration performance...
    Regular price $59.99
    Regular price Sale price $59.99
    Unit price /  per 
  • Waterway Clamp Wrench for Crystal Water Filters 519-4351 Waterway 519-4351 Crystal Water Filter Clamp Wrench Detail View

    Waterway Crystal Water Filter Clamp Wrench | Part 519-4351

    Service your Crystal Water filter clamps with confidence using the genuine Waterway 519-4351 (also referenced as 519-4350) Clamp Wrench. This purpose-built tool is specifically designed to tighten and loosen the clamp bands on Waterway Crystal Water Cartridge and D.E. Filters, ensuring a secure, leak-free closure every time. Its ergonomic handle provides a comfortable, non-slip grip that reduces hand fatigue during extended maintenance work. Made from...
    Regular price $16.99
    Regular price Sale price $16.99
    Unit price /  per 
  • Aladdin Filter Handle O-Ring for Waterway Crystal Water Filters 805-0233 O-244 Aladdin O-244 Replacement Handle O-Ring for Waterway Crystal Water 805-0233

    Waterway Crystal Water Filter Handle O-Ring by Aladdin | 805-0233 | O-244

    The Aladdin O-244 Filter Handle O-Ring is an important replacement gasket built for WaterWay Crystal Water filtration systems. Seated within the filter handle assembly, it forms a reliable seal that prevents moisture from escaping and keeps internal filter pressure where it needs to be. This o-ring works with multiple WaterWay Crystal Water models spanning both DE and cartridge configurations. Produced from a durable elastomer compound,...
    Regular price $6.99
    Regular price Sale price $6.99
    Unit price /  per 
  • Waterway Metal Clamp 550-6300B for Crystal Water Filters New Version Waterway Crystal Water Filter Metal Clamp Part 550-6300B

    Waterway Crystal Water Filter Metal Clamp New Version | 550-6300B

    The OEM Waterway Metal Clamp 550-6300B is a heavy-duty, multi-segment fastening assembly that provides a rock-solid seal for Waterway Crystal Water DE and Cartridge filters. This updated version supersedes the previous part numbers 550-4780 and 550-4260, featuring enhanced durability and improved clamping force for demanding high-pressure filtration applications. Shipped with a locking nut and bolt, this assembly delivers everything needed for a complete, secure installation...
    Regular price $295.99
    Regular price Sale price $295.99
    Unit price /  per 
  • Waterway Crystal Water Filter Pressure Relief Screw With O-Ring 550-4240 Waterway Pressure Relief Screw 550-4240 Detail View

    Waterway Crystal Water Filter Pressure Relief Screw With O-Ring - Part 550-4240

    The OEM Waterway Pressure Relief Screw with O-Ring 550-4240 is a critical safety component for Waterway Crystal Water Cartridge and DE filters. This two-piece kit allows controlled venting of excess internal pressure, safeguarding your filtration housing and internal parts from potential damage. Supplied with a precision-threaded screw and a matching sealing O-ring, it delivers a snug, drip-free fit on Waterway plastic filter bodies. Keeping this...
    Regular price $9.99
    Regular price Sale price $9.99
    Unit price /  per 
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