355004 | Pentair Challenger & Waterfall Pumps Seal Plate Pentair FNS Plus 48 Square Ft Standpipe Outlet Pipe isolation valves must be installed

isolation valves must be installed on both sides of the pump

Precision Engineering: Crafted with precision to guarantee easy access for cleaning and servicing

allowing for customized pump operation tailored to specific pool needs​​

use psv2s2dgr valve with hayward goldline system

including those containing acid

355004 | Pentair Challenger & Waterfall Pumps Seal Plate Pentair FNS Plus 48 Square Ft Standpipe Outlet Pipe isolation valves must be installedOEM Pentair Seal Plate 355004 is a factory replacement part designed for Challenger and Waterfall series pumps. This component plays a vital role in maintaining a secure seal between the pump motor and housing, ensuring leak free operation and reliable pressure integrity. Built from high strength thermoplastic, the seal plate resists corrosion, chemical exposure, and mechanical stress over time. Its precise construction helps restore proper alignment