Tank Lid Assembly | Pentair | 170021 | (Fits Pentair FNS Plus)

The Pentair FNS Plus Tank Lid Assembly 48 sf is designed to replace worn or damaged components and restore proper operation to your pool equipment. As a dedicated replacement part for Pentair FNS Plus systems (model 170021), it helps maintain reliable filtration by sealing the 48 square-foot tank and protecting the internals from debris and chemical exposure.

Designed for pool owners and service professionals, this tank lid assembly addresses common wear on lids and seals, reducing downtime and extending the life of your filter setup. With this replacement lid, you preserve system integrity and maintain water clarity by ensuring the tank seals correctly during operation.

• Direct replacement for Pentair FNS Plus Tank Lid Assembly 48 sf (170021)
• Restores proper operation by replacing worn components
• Durable construction built to withstand outdoor pool environments and chemicals
• Precise fit with 48 sf FNS Plus tanks to maintain filtration efficiency
• Supports easier maintenance and consistent performance

Keep your pool running smoothly—add this Pentair FNS Plus Tank Lid Assembly to your cart today.