Pentair | 178578 | Almond Bottom Tank Assembly – Replacement for Pool & Spa Cartridge Filters

The Pentair 178578 Almond Bottom Tank Assembly is a genuine OEM replacement component designed for Pentair Clean & Clear and Clean & Clear Plus cartridge filters. This heavy-duty tank bottom provides a stable base and watertight housing for the filter cartridges, ensuring safe, efficient, and leak-free filtration for pool and spa systems.

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Key Features

• Genuine Pentair replacement tank bottom assembly (Model 178578)

• Almond color finish matches standard Pentair filter housings

• Designed for Clean & Clear and Clean & Clear Plus pool and spa cartridge filters

• Provides structural support and watertight sealing for filter operation

• Constructed from durable, corrosion- and chemical-resistant thermoplastic

• Factory-molded for precision fit and reliable system performance

• Compatible with Pentair filter lids, cartridges, and clamp assemblies

• Withstands high operating pressures for long-term durability

• OEM-certified component ensures easy installation and exact fit

• Ideal for professional filter service, repair, or rebuild applications

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Product Overview
The Pentair 178578 Almond Bottom Tank Assembly is built to restore the integrity and performance of Pentair cartridge filtration systems. Serving as the structural base of the filter, it securely supports the internal cartridges while maintaining a tight, leak-proof seal under high-pressure conditions.

Made from reinforced thermoplastic resistant to chemicals, UV exposure, and constant water pressure, this OEM assembly ensures long-lasting reliability and safe operation. Designed for compatibility with Pentair Clean & Clear and Clean & Clear Plus models, the 178578 bottom tank is an essential component for professional-grade maintenance or complete filter restoration—delivering dependable performance and extended system life for both residential and commercial pools and spas.