Description
US Seal Manufacturing 5/8″ Shaft Seal (Buna/Carbon/Ceramic) | PS‑3890
PS-3890 shaft seal features durable Buna/carbon/ceramic construction. Ideal for pool & spa pumps like NorthStar, TriStar—leak-free and reliable.
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Engineered for 5/8″ shafts with Buna secondary seal, carbon primary ring, ceramic face
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Stainless steel spring and elastomeric bellows for misalignment tolerance
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Rated for 1,750 RPM, up to 150 PSI, and temperatures from –30 °F to +300 °F
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Compatible with pool pumps: Hayward NorthStar, TriStar, SPX3200SA, SPX4000SA, Jandy R0479400
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Unitized design minimizes leaks and simplifies installation in pool/spa systems
Description:
The US Seal PS‑3890 shaft seal delivers dependable, long-lasting performance for a wide range of pool and spa pumps. Its high-quality Buna rubber secondary seal works with a carbon-ceramic sealing surface to prevent leaks even under high pressure. An integrated stainless steel spring and flexible bellows ensure durable alignment, reducing wear and extending service life.
Built to operate at speeds up to 1,750 RPM and pressures up to 150 PSI across a wide temperature range, this seal is perfect for models like Hayward NorthStar, TriStar, SPX3200SA/SPX4000SA, Jandy R0479400, and similar equipment. Trusted by professionals, the PS‑3890 offers a direct replacement option that keeps your pump running smoothly—no unnecessary downtime, no guesswork.
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