US Seal Shaft Seal [PS-3960 5/8" Buna Carbon] (PS-3960) cleaners and this Delta UV part

and this Delta UV part is designed as a 2 inch tail piece for E and ES Series sanitizer applications

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

small thread differences matter

A part like this is useful because it restores the core water-moving component of the pump

US Seal Shaft Seal [PS-3960 5/8" Buna Carbon] (PS-3960) cleaners and this Delta UV partUS 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