US Seal Seal Assy [1-1/4" Shaft 1-3/4 Seat OD Buna] (PS-978) multiportvalves A filter cartridge helps maintain

A filter cartridge helps maintain cleaner water by trapping suspended debris as the system circulates

and part number to the existing equipment before replacing

Helps support accurate dosing into pool or spa circulation plumbing

a more informative user experience

This bag offers distinct practical value because the extra-large format helps extend cleaning time between emptying cycles

US Seal Seal Assy [1-1/4" Shaft 1-3/4 Seat OD Buna] (PS-978) multiportvalves A filter cartridge helps maintainThe US Seal Seal Assy [1 1 4" Shaft 1 3 4 Seat OD Buna] is a replacement pump shaft seal from US Seal Manufacturing designed to help prevent water from leaking along the pump shaft in compatible pool and spa pump assemblies. Shaft seals are critical service parts because they protect the motor side of the pump from water intrusion while allowing the impeller and shaft to rotate properly. This seal is intended for pump repair situations where the