Product Overview

Restore the safety, sealing performance, and structural integrity of your filter system with the Pentair 170022 FNS Plus Tank Lid Assembly. Designed for the Pentair FNS Plus 60 sq. ft. D.E. filter, this genuine Pentair replacement tank lid helps secure the upper portion of the filter tank and maintain proper pressure during operation.

The filter tank lid is a critical part of the pressure vessel. If the original lid is cracked, leaking, warped, or damaged, replacing it with the correct OEM Pentair assembly helps restore reliable filtration performance and safe system operation.

Genuine Pentair Replacement for FNS Plus 60 Sq. Ft. Filters

The Pentair 170022 is an OEM replacement tank lid assembly made for Pentair FNS Plus FNSP60 D.E. filters. It is designed to match the original filter housing for proper fit, dependable sealing, and long-lasting durability.

Designed to Maintain a Secure Filter Seal

A damaged or worn tank lid can cause leaks, pressure loss, and unsafe filter operation. The Pentair 170022 replacement lid helps maintain a secure, pressure-tight seal when properly installed with the correct clamp and tank O-ring.

Compatible With

• Pentair FNS Plus 60 sq. ft. D.E. Filter
• Pentair FNSP60 Filter Model
• Pentair FNS Plus Filter Model 180009
• Pentair FNS Plus Pool and Spa D.E. Filters

Why Choose the Pentair 170022?

Genuine OEM Fit

Manufactured by Pentair for the FNS Plus 60 sq. ft. D.E. filter, helping ensure correct fit and compatibility.

Restores Filter Housing Integrity

Replaces a cracked, leaking, warped, or damaged filter tank lid to help restore proper filter operation.

Helps Prevent Leaks

A properly installed tank lid supports a secure, pressure-resistant seal at the filter body.

Supports Reliable Filtration

Helps maintain proper internal pressure and water flow through the D.E. filter system.

Ideal for Filter Repairs

A dependable replacement part for pool service technicians and experienced pool owners repairing FNS Plus D.E. filters.

Key Product Features

• Genuine Pentair replacement tank lid assembly
• Fits Pentair FNS Plus 60 sq. ft. D.E. filters
• Designed for FNSP60 filter models
• Compatible with filter model 180009
• Helps restore filter housing integrity
• Supports proper pressure containment and sealing
• Replacement for cracked, leaking, or damaged tank lids
• Durable tan / almond-color construction
• OEM part designed for correct fit and performance

Product Benefits

Restores Safe Filter Operation

Replacing a damaged tank lid helps restore the filter’s ability to operate under normal system pressure.

Helps Reduce Leaks

A correct-fitting lid helps support a tight seal and reduce water leaks around the filter tank.

Extends Filter System Life

Replacing the damaged lid can help avoid the cost of replacing the entire filter system.

Maintains Filtration Performance

A properly sealed filter tank helps maintain the pressure and flow needed for effective D.E. filtration.

Specifications

Installation & Care Tips

Before servicing the filter, turn off the pool pump, relieve all filter pressure, and follow the manufacturer’s safety instructions. Because the tank lid is part of the filter pressure vessel, proper installation is essential.

Inspect the tank O-ring, clamp assembly, air relief valve, pressure gauge, and sealing surfaces during replacement. Replace any worn or damaged related parts before restarting the system.

After installation, restart the system according to the filter manual and carefully check for leaks, pressure changes, and proper water flow.

Customer-Facing Q&A

Q: Will this fit my Pentair FNS Plus 60 sq. ft. filter?
A: Yes. The Pentair 170022 is designed for the Pentair FNS Plus 60 sq. ft. D.E. filter, model FNSP60.

Q: What is the SKU for this tank lid assembly?
A: The SKU is 170022.

Q: What is the barcode for this product?
A: The UPC / Barcode is 788379670825.

Q: Is this a genuine Pentair replacement part?
A: Yes. This is a genuine Pentair replacement tank lid assembly.

Q: What filter model does this fit?
A: This lid fits the Pentair FNS Plus 60 sq. ft. D.E. filter and is commonly associated with filter model 180009.

Q: When should I replace the tank lid assembly?
A: Replace the lid if it is cracked, leaking, warped, damaged, or no longer sealing properly under pressure.

Q: Should I replace the tank O-ring at the same time?
A: It is recommended to inspect the tank O-ring during installation and replace it if it is flattened, cracked, stretched, or worn.

Q: Can I install this myself?
A: Because this part is part of the filter’s pressure vessel, installation should be done carefully according to the manufacturer’s instructions. When unsure, use a qualified pool service professional.