The Pentair 178583 air bleed tube assembly is a replacement internal component designed for Clean & Clear Plus 520 square foot cartridge filters and Quad D.E. 100 filter systems. This assembly allows trapped air inside the filter tank to vent during startup and operation, helping maintain proper filtration pressure and balanced water flow through the filter cartridges.

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Key Features

• Replacement air bleed tube assembly designed for Pentair Clean & Clear Plus 520 sq ft cartridge filter systems.
• Also compatible with Pentair Quad D.E. 100 pool and spa filter systems.
• Releases trapped air from the filter tank to maintain stable filtration pressure and system efficiency.
• Includes tube with integrated screen cap to prevent debris from entering the air relief pathway.
• Approximate dimensions of 35.25 inches in length for proper installation within the filter housing.
• Genuine Pentair replacement component designed for proper fit and reliable filtration system operation.

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Product Overview

The Pentair 178583 air bleed tube assembly is an essential component of the air relief system used in Clean & Clear Plus 520 cartridge filters and Quad D.E. 100 filtration systems. Installed inside the filter tank, the tube allows trapped air to escape during system startup and operation, preventing air buildup that could disrupt filtration pressure and water circulation.

Proper air removal is critical for maintaining consistent hydraulic flow through the filter cartridges. The air bleed assembly ensures that air pockets do not form inside the tank, which can reduce filtration efficiency and cause unstable pressure readings. Replacing a damaged or clogged air bleed tube assembly restores proper air relief function and helps ensure reliable performance of Pentair Clean & Clear Plus and Quad D.E. filtration systems.