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In systems built around momentary air switching
Helps support dependable motor running performance
For service work on compatible Hayward skimmers
Improves system confidence and retrofit quality
US Seal Shaft Seal [PS-4280 5/8" Viton] (PS-4280) controlsystems In systems built around momentaryUS Seal Shaft Seal [PS 4280 5 8" Viton] (PS 4280) is a replacement pump shaft seal from US Seal Manufacturing, designed for pool and spa pump service where a worn seal can lead to water intrusion, dripping, or reduced equipment reliability. This part is intended for repair situations where the existing seal specification and part number match the pump being serviced. The PS 4280 5 8" Viton configuration helps restore the seal between the motor side
