U.S. Seal Shaft Seal [PS-309] [7/8" Shaft Size] [Buna] (PS-309) aosmith this circulation pump helps support

this circulation pump helps support steady water movement and cleaner overall system performance

pump response

and R185B heater applications where the supported electrical switching relay needs replacement

Raypak 336A burner tray with burner

U.S. Seal Shaft Seal [PS-309] [7/8" Shaft Size] [Buna] (PS-309) aosmith this circulation pump helps supportThe 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,