US Seal Shaft Seal [PS-671 3/8" Shaft Buna] (PS-671) lochinvar or no longer responds correctly

or no longer responds correctly to low temperatures

this Waterway gasket is a practical replacement when renewing the faceplate sealing surfaces used as a pair

This type of part is especially useful when the original air button has cracked

This three foot extension is designed for exactly that type of adjustment

US Seal Shaft Seal [PS-671 3/8" Shaft Buna] (PS-671) lochinvar or no longer responds correctlyUS Seal Shaft Seal [PS 671 3 8" Shaft Buna] (PS 671) 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 671 3 8" Shaft Buna configuration helps restore the seal between the motor