U.S. Seal Shaft Seal [PS-309] [7/8" Shaft Size] [Buna] (PS-309) potterbrumfield The design supports the original

The design supports the original layout

Hayward impeller screw

Improves plumbing reliability and maintenance convenience

Using the correct replacement helps avoid introducing unwanted changes to system response

U.S. Seal Shaft Seal [PS-309] [7/8" Shaft Size] [Buna] (PS-309) potterbrumfield The design supports the originalThe U. S. Seal PS 309 shaft seal is built for compatible 7 8 inch shaft pump applications and uses Buna sealing material to restore the pumps primary barrier against leakage. In larger shaft applications, proper seal selection matters even more, because incorrect fit can undermine the entire rebuild no matter how good the surrounding parts are. This replacement is especially useful when the original shaft seal has started leaking, hardened with age,