US Seal Shaft Seal [PS-3960 5/8" Buna Carbon] (PS-3960) cleaners Useful for more complete valve

Useful for more complete valve rebuild and service work

Useful when the original volute is damaged or leaking

Supports dependable hands-free control response

An impeller like this is useful because it does the real water-moving work inside the pump

Useful for lubricating seals

US Seal Shaft Seal [PS-3960 5/8" Buna Carbon] (PS-3960) cleaners Useful for more complete valveUS Seal Shaft Seal [PS 3960 5 8" Buna Carbon] (PS 3960) 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 3960 5 8" Buna Carbon configuration helps restore the seal between the