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Pool Filter Parts

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  • Aladdin O-71 Drain Plug O-Ring for Pentair FNS Plus Pool Filter 51005000 Pentair FNS Plus Drain Plug O-Ring Replacement O-71 51005000

    Pentair FNS Plus & Clean and Clear Plus Bulkhead Union O-Ring by Aladdin | 154492 | O-180

    Keep your Pentair FNS Plus or Clean and Clear Plus filter plumbed tight with the Aladdin O-180 Bulkhead Union O-Ring. This gasket forms a dependable, water-resistant seal at the bulkhead union junction, stopping drips and safeguarding filtration efficiency. Precision-molded from a resilient elastomer compound, it holds up against chemical exposure and pressure cycling, giving pool owners a long-lasting sealing solution they can count on season...
    Regular price $5.99
    Regular price Sale price $5.99
    Unit price /  per 
  • Aladdin Body O-Ring for Pentair Filters 87300400 O-343 Aladdin O-343 Replacement Body O-Ring for Pentair Pool Filters 87300400

    Pentair Filter Body O-Ring Replacement by Aladdin | 87300400 | O-343

    The Aladdin O-343 Body O-Ring is an indispensable sealing component engineered to deliver a watertight connection across multiple Pentair filter platforms, including the Clean & Clear, Clean & Clear Predator, EasyClean, and Warrior DE series. This gasket safeguards filter housing integrity by eliminating leaks and preserving consistent operating pressure. Manufactured from premium-grade elastomer for exceptional durability and chemical resistance, it stands up to the rigors...
    Regular price $13.99
    Regular price Sale price $13.99
    Unit price /  per 
  • Pentair Union Nut for Pool Filters 98212200 Pentair 98212200 Filter Union Nut Replacement Part

    Pentair Filter Union Nut Replacement | Part 98212200

    Maintain a flawless seal on your Pentair pool or spa filter with the genuine Pentair Union Nut 98212200. This OEM fastener is specifically produced for the Pentair Clean & Clear, Predator, Warrior, and EasyClean filter families, functioning as the critical threaded connector that holds filter assemblies securely together. Fabricated from heavy-duty thermoplastic that resists cracking under torque and stands up to years of chemical exposure,...
    Regular price $19.99
    Regular price Sale price $19.99
    Unit price /  per 
  • Pentair Body O-Ring 87300400 for Pool Filters Pentair Filter Body O-Ring Replacement Part 87300400

    Pentair Filter Body O-Ring Replacement | 87300400

    The Pentair 87300400 Body O-Ring is a genuine factory replacement gasket built to sustain a watertight seal across Pentair filtration systems. Fitting Clean & Clear, Clean & Clear Predator, EasyClean, and Warrior DE filters, this O-ring stops leaks and maintains steady water pressure throughout operation. Formed from resilient, chemically resistant rubber compounds, it endures continuous use under the harsh conditions of pool environments. Installing this...
    Regular price $19.99
    Regular price Sale price $19.99
    Unit price /  per 
  • Waterway Filter Tank O-Ring for Crystal Water Filters 805-0000 Waterway 805-0000 Pool Filter Tank O-Ring Seal

    Waterway Filter Tank O-Ring for Crystal Water Filters | 805-0000

    The Waterway 805-0000 Filter Tank O-Ring serves as a vital gasket for Waterway Crystal Water Cartridge and DE filtration units, engineered to deliver a secure, drip-free seal at the tank junction. Constructed from robust, chemically resilient elastomer, this O-ring holds up under the operational demands of pool filtration while preserving peak system performance. With broad compatibility across several Crystal Water filter models, it is indispensable...
    Regular price $39.99
    Regular price Sale price $39.99
    Unit price /  per 
  • Pentair Union Swivel Body for Clean and Clear Filters 79304600 Pentair 79304600 Union Swivel Body Replacement Part

    Pentair Union Swivel Body for Clean and Clear Filters | 79304600

    Restore leak-free plumbing connections on your Pentair filter with the genuine Pentair 79304600Z Union Swivel Body. This OEM replacement part serves as a union tailpiece for Pentair cartridge filter systems, including Clean & Clear, Predator, Warrior, and EasyClean models. Despite the name, this component functions as a fixed union body rather than a rotating joint, delivering a solid, watertight plumbing connection. Measuring approximately 3 inches...
    Regular price $28.99
    Regular price Sale price $28.99
    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 High-Temp PVC Slide Valve Assembly 2.5 Inch 600-1500 Waterway 600-1500 Slide Valve Assembly for Pool and Spa Plumbing

    Waterway High-Temp PVC Slide Valve Assembly 2.5" | 600-1500

    The Waterway 600-1500 OEM Swimming Pool Filter Backwash Valve is constructed from high-temperature CPVC and equipped with 2-1/2 inch ports plus included 2-inch reducer fittings, making it a direct-fit solution for backwashing Crystal Water DE filter systems. Precision-engineered to work with filter models 570-0036-07, 570-0048-07, and 570-0060-07, this slide valve assembly locks in securely and performs reliably through countless backwash cycles in demanding poolside conditions....
    Regular price $108.99
    Regular price Sale price $108.99
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  • Pentair Center Core 59053800 for Clean and Clear Pool Filter 150-200 Sq Ft Pentair Clean and Clear Cartridge Filter Center Core Part 59053800

    Pentair Clean & Clear Filter Center Core 150-200 Sq Ft | 59053800

    The Pentair 59053800 OEM Center Core is the factory-specified internal support structure for 150 sq ft and 200 sq ft Clean & Clear and Clean & Clear Predator cartridge filters. Positioned at the heart of the filter tank, this core holds the cartridge element rigidly in place against operating water pressure while directing flow evenly through the pleated media for thorough particle removal. An included...
    Regular price $189.99
    Regular price Sale price $189.99
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  • Pentair Center Core 59053700 for Clean and Clear Pool Filter 100-125 Sq Ft Pentair Clean and Clear Cartridge Filter Center Core Part 59053700

    Pentair Clean & Clear Filter Center Core 100-125 Sq Ft | 59053700

    The Pentair 59053700 OEM Center Core serves as the internal backbone for 100 sq ft and 125 sq ft Clean & Clear and Clean & Clear Predator cartridge filter systems. This structural spine holds the filter cartridge in its correct position, preventing deformation under operating water pressure and channeling water uniformly across the full media surface for maximum filtration efficiency. Packaged with an air bleed...
    Regular price $139.99
    Regular price Sale price $139.99
    Unit price /  per 
  • Pentair Locking Ring Assembly 59052900 for Clean and Clear Filters Pentair Clean and Clear Filter Locking Ring Part 59052900

    Pentair Clean and Clear Filter Locking Ring Assembly | 59052900

    The Pentair 59052900 OEM Locking Ring Assembly is the factory-specified closure mechanism for Clean & Clear cartridge filter systems. This ring clamps the upper and lower filter housing halves together under a watertight seal, preventing pressure loss and water escape during operation. Manufactured from reinforced, chemically resistant polymers, it endures repeated open-and-close maintenance cycles without cracking or losing its grip. Installing this genuine Pentair locking...
    Regular price $99.99
    Regular price Sale price $99.99
    Unit price /  per 
  • Waterway Filter Lock Nut 550-7500 for ClearWater II Filters Waterway ClearWater II Filter Lock Nut Part 550-7500

    Waterway ClearWater II Filter Lock Nut | 550-7500

    The OEM Waterway Filter Lock Nut 550-7500 is a heavy-duty fastening component precision-engineered for Waterway ClearWater II cartridge and D.E. filter systems. This lock nut anchors the filter lid firmly to the tank body, creating a leak-resistant seal that is essential for maintaining correct filtration pressure and consistent performance. Made from rugged materials formulated to resist cracking, UV fading, and chemical degradation, it provides a...
    Regular price $69.99
    Regular price Sale price $69.99
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  • Waterway HD Pressure Relief Valve 550-6730 for Crystal Water Filters

    Waterway Crystal Water HD Pressure Relief Valve | 550-6730

    The OEM Waterway Pressure Relief Valve Assembly with Gauge 550-6730 is built for Crystal Water Cartridge Filters, providing controlled pressure regulation and live system monitoring in a single unit. The integrated pressure gauge gives pool owners instant visibility into filter conditions, making it simple to identify when maintenance is needed or when pressure has climbed to levels that require relief. Constructed from durable, pool-rated materials,...
    Regular price $109.99
    Regular price Sale price $109.99
    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 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 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 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 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 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 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 
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