Pentair FNS Plus Tank Bottom Assembly 48 sf | 170017Product Overview Restore the strength, support, and sealing performance of your filter system with the Pentair 170017 FNS Plus Tank Bottom Assembly. Designed for the Pentair FNS Plus 48 sq. ft. D. E. filter, this genuine replacement tank bottom helps maintain proper filter structure, water flow, and pressure containment. The tank bottom is a critical part of the filter body. If the original tank bottom is cracked, leaking, warped, or damaged,

Adjustable feed rate using an external control valve

and leak-free operation

A: Yes—PHOSfree works with all sanitizing systems

The pump is designed with sensorless flow technology that helps maintain the pool’s optimum flow without requiring a separate external flow sensor

24" DE Filter Grid – Standard large size used in many high-capacity DE filters

Long cord for flexible installs: The 150 ft cord is ideal for larger layouts or equipment locations farther from the pool

Weight: Lightweight for easy handling and installation

Hands-Free Convenience: Full app-based control from any location

Pool heaters and heat pumps

and other accent areas

85 sq ft filter cartridge designed to fit the Jandy CL340 filter

Customers replacing or adding a high-capacity electric pool heat pump