Pentair 170024 FNS Plus 320 Sq Ft Filter Lid Assembly

What This Part Is Used For
Pentair 170024 Lid Assembly - CNC, 320Sqft, FNS Plus is a replacement lid for compatible FNS Plus 320Sqft cartridge filters. It seals the top of the filter tank during operation.

Why This Part Matters
A cracked or warped lid can cause pressure loss and water leaks. Proper sealing is essential for stable filtration performance. Replacing the lid restores safe operating pressure and system efficiency.

Key Features and Specifications

• Pentair manufacturer part number 170024
• For FNS Plus 320Sqft filter
• CNC lid assembly configuration
• Seals filter housing
• OEM Pentair replacement part

Installation and Fitment Guidance
Shut off the pump and relieve system pressure before removing the lid. Inspect O-ring and sealing surfaces during installation. Confirm by manufacturer part number before ordering.

About the Pentair Brand
Pentair manufactures cartridge filtration systems used in residential and commercial pools. Their FNS Plus line is widely installed for dependable filtration. Using genuine Pentair lids ensures correct fit and sealing. Service professionals rely on Pentair for trusted replacement components.

Common Service Context
This lid is commonly replaced when hairline cracks develop from age or pressure cycling.