OEM Waterway Tank Bottom 550-4407 is a direct replacement base designed for Crystal Water Cartridge Filters, ensuring structural integrity and continued filtration efficiency. This tank bottom is engineered to fit both new and old-style filter heads without modification, simplifying the installation process. Built from rugged, chemical-resistant materials, it endures high-pressure environments and long-term exposure to pool chemicals. Replacing a damaged or worn tank bottom helps preserve system performance, preventing leaks and maintaining optimal water clarity.

• Direct Fit for Crystal Water Filters: Precision-molded to replace part number 550-4400 and maintain compatibility with Waterway Crystal Water Cartridge Filter systems.

• Heavy-Duty Construction: Made from durable materials capable of withstanding intense water pressure and chemical exposure over extended use.

• Compatible with All Head Styles: Designed to work with both old and new filter head configurations, eliminating the need for adapter parts or adjustments.

• Preserves System Sealing Integrity: Helps ensure a reliable seal at the base of the filter for consistent pressure and filtration function.

• Prevents System Downtime: Essential for scheduled maintenance or emergency repairs to maintain uninterrupted pool operation.

• (1) Tank Bottom
• (1) Drain Plug

• Waterway Crystal Water Cartridge Filters

Find the Right Filter Tank Bottom Replacement

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Filter System Repair and Leak Fix Searches

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Compatibility and Use Confirmation

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