Aumzong 178578 Filter Tank Bottom Assembly Replacement for Pentair Clean & Clear Plus and Quad DE CCP240 CCP320 CCP420 CCP520 Pool Filter

Overview

Replacing a worn or damaged bottom assembly is a practical step toward maintaining steady pool filtration. The Aumzong 178578 Filter Tank Bottom Assembly is designed to fit Pentair systems in the Clean & Clear Plus and Quad DE families, covering CCP240, CCP320, CCP420, and CCP520 models. Built to endure outdoor pool environments, it pairs reliable materials with a precise fit to help keep your filtration setup aligned during operation. The result is a replacement part that supports smooth filtration cycles and minimal downtime when maintenance is needed.

With this part, pool owners can approach routine servicing with confidence. The rugged construction resists the wear of sun, chlorine, and routine backwashing, while the integrated base offers dependable support for the media stack. The bottom assembly is designed to be compatible with the specified OE number (178578) and is intended to work in conjunction with the top cover (170024) to preserve a secure seal and stable alignment.

Key compatibility and fit

• Compatible with Pentair Clean & Clear Plus and Quad DE filter systems
• Fits CCP240, CCP320, CCP420, and CCP520 models when OE 178578 is present
• Requires compatible top cover 170024 for a proper seal

Build, durability, and performance

• Rugged, durable material designed for long-term outdoor pool use
• Stable base that anchors filter media to resist movement under pressure or gravity
• Precise alignment to support consistent filtration flow and media positioning

Real-world use often involves seasonal maintenance, backwashing routines, and routine inspections. This bottom assembly aims to minimize misalignment and leaks while keeping the rest of the filter components correctly positioned. While outcomes can vary based on overall system condition, the part is positioned as a dependable replacement option for compatible Pentair setups.

Installation notes and guidance

• Ensure the OE number matches 178578 and that the top cover 170024 is compatible with your filter
• Check that the model numbers align with CCP240 CCP320 CCP420 CCP520 before installation

Using the right replacement part can help maintain a steady filtration cycle, supporting clearer water and smoother pool operation. Consider this option as part of a routine maintenance plan, and consult your pool professional if you are unsure about compatibility with any non-listed configurations.