US Seal PS-201V-CMS Ozone Pump Shaft Seal - Premium Viton® Construction | 3/4" Shaft

US Seal PS-201V-CMS Ozone Pump Shaft Seal - Premium Viton® Construction | 3/4" Shaft

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SKU:
PS-201V-CMS
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About This Item

Premium Chemical-Resistant Seal for Ozonated Pool Systems

The US Seal PS-201V-CMS delivers superior performance in demanding ozone applications where standard elastomers fail. This premium Viton® shaft seal provides exceptional chemical resistance and extended service life in pools and spas using ozonators, salt chlorine generators, or high-sanitizer environments.

Technical Specifications

Shaft Size 3/4" (19.05mm)
Head Type Type G
Seat Type Type 1
Service Grade Premier Viton® Service
Materials Viton® elastomers, carbon primary ring, polished ceramic seat, stainless steel hardware

This PS-201V-CMS Product is Compatible with These Models of Pumps:

Manufacturer Pump Model Manufacturer Part No.
Sta-Rite (A Pentair Brand) DJ/JS/JT Series 37400-0027S
Sta-Rite (A Pentair Brand) Dyna-Glas®, Dyna-Max® After June 2000 37400-0027S
Sta-Rite (A Pentair Brand) Max-E-Glas™II P4E, P4EA, P4R, P4RA 37400-0027S
Sundance® Spas Theramax, Theraflo 6500-281
Swim Quip XL, VI/XL, VII Series 37407-0009

Don't see your pump model listed? Check Compatibility Now

Note: This compatibility chart is based on U.S. Seal Mfg. Pool & Spa Pump Products Cross-Reference Guide data. Always verify pump model and part numbers before ordering. Some models may have multiple seal options depending on manufacture date and specific configuration.

Superior Chemical Resistance

Viton® elastomers provide exceptional resistance to ozone, chlorine dioxide, and aggressive sanitizing chemicals that quickly degrade standard Buna-N seals. The carbon primary ring and polished ceramic seat deliver smooth operation and extended service intervals in demanding pool and spa applications.

Pro Tip:

Verify shaft size with calipers before ordering to ensure proper fit.

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US Seal Mfg

About US Seal Mfg

U.S. Seal Mfg. is the industry gold standard for pump motor shaft seals, serving the pool and spa market for over 50 years. When a pool pump leaks at the housing, it isn't just a mess—it’s a threat to the expensive motor bearings. U.S. Seal Mfg. provides the critical line of defense with precision-engineered mechanical seals designed to withstand the harsh environment of chlorinated and salt-water pools. Known for their "Value Series" and "Ozone/Salt Service" upgrades, they specialize in high-performance materials like Viton and Silicon Carbide. For the DIY homeowner, choosing a U.S. Seal Mfg. product means choosing professional-grade reliability that extends the life of your filtration system and prevents catastrophic motor failure.

Why We Trust US Seal Mfg
Precision Engineering: Manufactured to exact tolerances to ensure a watertight fit for every major pump brand.

Specialized Material Science: Offers upgraded seal faces (Ozone/Salt Service) specifically designed for modern salt-generator systems.

Decades of Authority: The primary choice for professional pool technicians and motor repair shops worldwide.

Extensive Compatibility: A massive catalog of seals compatible with Pentair, Hayward, Jandy, and Waterway equipment.

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