US Seal Shaft Seal [PS-3870 3/4" Viton] (PS-3870) pascospecialty This type of part is

This type of part is especially useful during regular cleaner service when the original bag has worn out

or otherwise no longer worthy of reinstallation during wet-end service

5kW heating output and 15"" heater length should be matched to the original equipment requirements before installation

A complete skimmer is useful because it provides the core surface-cleaning intake structure in one coordinated assembly

Helps manage air flow in compatible spa systems

US Seal Shaft Seal [PS-3870 3/4" Viton] (PS-3870) pascospecialty This type of part isThe US Seal Shaft Seal [PS 3870 3 4" Viton] 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 is