US Seal Shaft Seal [PS-163 1/2" Shaft Buna] (PS-163) vacuumrelease Designed to match the FC-0313

Designed to match the FC-0313 reference

Hayward large mounting base

Matching the correct control and heater-capable format helps preserve intended system behavior and cleaner replacement fit

and seal damaged areas when a convenient single-stick format is preferred

US Seal Shaft Seal [PS-163 1/2" Shaft Buna] (PS-163) vacuumrelease Designed to match the FC-0313The US Seal Shaft Seal [PS 163 1 2" Shaft 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 existing seal