The replacement pump shaft seal that sits between the impeller and seal plate. The final water barrier between the motor and wet end of the pump. Replace annually to prevent water leaks.
The PS-1000 is the generic replacement for the Pentair Whisperflo pump among many others.
Replaces: 071734S , 319-3100B , 92500050 , 9330-25A , 9330-25B , AS-1000 , P55 , PS1000 , PS-1905 , PS-3865 , PS-3865R , PS1000 , PS1905 , PS3865R , U109-136SS
