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Pool/Small Pump Seals

  • ps-100 , ps-200 , ps-201 mechanical seal- buy now!

    Mechanical Seal 201c (PS-201) — 3/4″

    Mechanical Seal 201c (PS-201) — 3/4″

    Mechanical Seal 201c — Type 166 (3/4″) | PS-201 Equivalent

    Equal to industry standard 201 / PS-201. Direct-fit replacement for PS-201 single-spring seals in pool/spa and small-pump applications. Engineered with molded carbon/ceramic faces and Buna-N elastomers.

    At-a-glance specs: 3/4″ shaft • 1.375″ × 0.406″ cup seat • Type 166 • Molded carbon/ceramic faces • Buna-N elastomers

    Why choose 201 (PS-201)
    Reliable everyday build for clean-water, standard-chemistry systems with quick, drop-in fit.

    Upgrades / Variations (same footprint)

    • 851 — Premium carbon face

    • 3868 — Premium + Viton

    • 201CV — Molded carbon

    • 201CVSS — Silicon Carbide / Silicon Carbide / Viton®

    Have questions? Check out our Pool/Spa Small Pump Guide or call us anytime—we’re here to help.

    Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    Weight 1 lbs
    Dimensions 8 × 6 × 4 in
    View Product
  • ps-100 , ps-200 , ps-201 mechanical seal- buy now!

    Mechanical Seal 201cv (PS-201V-CMS) — 3/4″

    Mechanical Seal 201cv (PS-201V-CMS) — 3/4″

    Mechanical Seal 201cv — Type 166 / T-16 (3/4″) | PS-201V-CMS Equivalent

    Equal to industry standard 201cv / PS-201V-CMS.
    Direct-fit Type 166 / T-16 single-spring seal for pool/spa and small-pump applications—built with molded carbon/ceramic faces and Viton elastomers for added chemical and temperature resistance.

    At-a-glance specs: 3/4″ shaft • 1.375″ × 0.406″ cup seat • Molded carbon/ceramic faces • Viton/FKM elastomers

    Why choose this 201cv (PS-201v-cms):

    • Viton handles higher chlorine, heat, and chemicals better than Buna

    • Proven T-16 footprint for quick, drop-in replacement

    Upgrades / Alternatives (same footprint)

    • 201c — Basic (Buna)

    •  851  — Premium carbon face (Buna)

    • 3868 — Premium + Viton (machined carbon)

    • 201cvss — Silicon Carbide / Silicon Carbide / Viton

    Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.

    Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Pre-Cut Gaskets.

    Have questions? Check out our Pool/Spa Small Pump Guide or call us anytime—we’re here to help.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    Weight 1 lbs
    Dimensions 8 × 6 × 4 in
    View Product
  • ps-100 ps-200 ps-201 pump seal sic/sic/vit

    Mechanical Seal 201CVSS (PS-201V-SC-SC) — 3/4″

    Mechanical Seal 201CVSS (PS-201V-SC-SC) — 3/4″

    Mechanical Seal 201CVSS — Type 166 / T-16 (3/4″) | PS-201V-SC-SC Equivalent

    Equal to industry standard 201CVSS / PS-201V-SC-SC.
    Direct-fit Type 166 / T-16 single-spring seal for pool/spa and small-pump applications—engineered with hard faces and chemical-resistant elastomers for longer service life.

    At-a-glance spec: 3/4″ shaft • 1.375″ × 0.406″ cup seat • Silicon Carbide / Silicon Carbide faces • Viton/FKM elastomers

    Why choose 201CVSS:

    • SiC/SiC faces provide excellent wear and heat resistance in abrasive and chemical rich environments

    • Viton handles higher chlorine, heat, and chemicals better than Buna

    • T-16 footprint for quick, drop-in replacement

    Variations (same footprint)

    • 201c — Basic (Buna)

    • 851 — Premium carbon face (Buna)

    • 3868— Premium + Viton

    • 201cv — Molded carbon

    Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.

    Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Pre-Cut Gaskets.

    Have questions? Check out our Pool/Spa Small Pump Guide or call us anytime—we’re here to help.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    Weight 1 lbs
    Dimensions 8 × 6 × 4 in
    View Product
  • ps-1000 ,ps-961 ps-3865 mechanical seal

    Mechanical Seal 3865 (PS-3865) — 5/8″

    Mechanical Seal 3865 (PS-3865) — 5/8″

    Mechanical Seal 3865 — T-6A (5/8″) | PS-3865 Equivalent

    Equal to industry standard 3865 / PS-3865.
    Direct-fit T-6A single-spring seal for pool/spa and small-pump applications—upgraded with Viton elastomers and a machined carbon/ceramic face set for longer service life.

    At-a-glance specs: 5/8″ shaft • 1.25″ × 0.406″ cup seat • Machined carbon/ceramic faces • Viton elastomers

    Why choose 3865 (PS-3865):

    • T-6A footprint for quick, drop-in replacement

    • Viton handles higher chlorine, heat, and chemicals better than Buna

    • Machined carbon face for smoother sealing and stability

    Upgrades / Alternatives (same footprint):

    • 1000  — Basic

    • 961 — Premium carbon face (Buna)

    • 1000cv — Molded carbon

    • 1000cvss — Silicon Carbide / Silicon Carbide / Viton

    Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.

    Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Pre-Cut Gaskets.

    Have questions? Check out our Pool/Spa Small Pump Guide or call us anytime—we’re here to help.

    Please click “specifications for OEM numbers and Nameplate Data
    Weight 1 lbs
    Dimensions 8 × 6 × 4 in
    View Product
  • ps-100 , ps-200 , ps-201 mechanical seal- buy now!

    Mechanical Seal 3866 (PS-3866) — 5/8″

    Mechanical Seal 3866 (PS-3866) — 5/8″

    Mechanical Seal 3866 — Type 166 / T-16 (5/8″) | PS-3866 Equivalent

    Equal to industry standard 3866 / PS-3866.
    Direct-fit Type 166 / T-16 single-spring seal for pool/spa and small-pump applications—upgraded with Viton elastomers and a machined carbon/ceramic face set for longer service life.

    At-a-glance specs: 5/8″ shaft • 1.187″ × 0.343″ cup seat • Machined carbon/ceramic faces • Viton(FKM) elastomers

    Why choose 3866 (PS-3866):

    • T-16 footprint for quick, drop-in replacement

    • Viton handles higher chlorine, heat, and chemicals better than Buna

    • Machined carbon face for smoother sealing vs. molded carbon

    Upgrades / Alternatives (same footprint):

    • 100 — Basic (Buna)

    • 957 — Premium carbon face (Buna)

    • 100cv — Molded carbon

    • 100cvss — Silicon Carbide / Silicon Carbide / Viton

    Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.

    Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Pre-Cut Gaskets.

    Have questions? Check out our Pool/Spa Small Pump Guide or call us anytime—we’re here to help.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    Weight 1 lbs
    Dimensions 8 × 6 × 4 in
    View Product
  • ps-100 , ps-200 , ps-201 mechanical seal- buy now!

    Mechanical Seal 3867 (PS-3867) — 5/8″

    Mechanical Seal 3867 (PS-3867) — 5/8″

    Mechanical Seal 3867 — Type 166 / T-16 (5/8″) | PS-3867 Equivalent

    Equal to industry standard 3867 / PS-3867.
    Direct-fit Type 166 / T-16 single-spring seal for pool/spa and small-pump applications—upgraded with Viton (FKM)  elastomers and a machined carbon/ceramic face set for longer service life.

    At-a-glance specs: 5/8″ shaft • 1.25″ × 0.406″ cup seat • Machined carbon/ceramic faces • Viton elastomers

    Why choose 3867 (PS-3867):

    • Viton handles higher chlorine, heat, and chemicals better than Buna

    • Machined carbon face for smoother sealing vs. molded carbon

    • T-16 footprint for fast, drop-in replacement

    Upgrades / Alternatives (same footprint)

    • 200 — Basic (Buna)

    • 516 — Premium carbon face (Buna)

    • 200cv — Molded carbon

    • 200cvss — Silicon Carbide / Silicon Carbide / Viton

    Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.

    Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Pre-Cut Gaskets.

    Have questions? Check out our Pool/Spa Small Pump Guide or call us anytime—we’re here to help.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    Weight 1 lbs
    Dimensions 8 × 6 × 4 in
    View Product
  • ps-100 , ps-200 , ps-201 mechanical seal- buy now!

    Mechanical Seal 3868 (PS-3868) —3/4″

    Mechanical Seal 3868 (PS-3868) —3/4″

    Mechanical Seal 3868 — Type 166 / T-16 (3/4″) | PS-3868 Equivalent

    Equal to industry standard 3868 / PS-3868.

    Direct-fit Type 166 / T-16 single spring seal for pool/spa and small pump applications- upgraded with Viton (FKM) elastomers and a machined carbon/ceramic face set for longer service life.

    At-a-glance specs: 3/4″ shaft • 1.375″ × 0.406″ cup seat • Machined carbon/ceramic faces • Viton elastomers

    Why choose 3868 (PS-3868):

    • Viton handles higher chlorine, heat, and chemicals better than Buna

    • Machined carbon face for smoother sealing vs. molded carbon

    • T-16 footprint for quick, drop-in replacement

    Upgrades / Alternatives (same footprint)

    • 201c — Basic (Buna)

    •  851 — Premium carbon face (Buna)

    • 201cv — Molded carbon (Viton)

    •  201cvss — Silicon Carbide / Silicon Carbide / Viton

    Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.

    Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Pre-Cut Gaskets.

    Have questions? Check out our Pool/Spa Small Pump Guide or call us anytime—we’re here to help.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    Weight 1 lbs
    Dimensions 8 × 6 × 4 in
    View Product
  • ps-100 , ps-200 , ps-201 mechanical seal- buy now!

    Mechanical Seal 3890c (PS-3890) — 5/8″

    Mechanical Seal 3890c (PS-3890) — 5/8″

    Mechanical Seal 3890 — Type 166 / T-16 | PS-3890 Equivalent

    Equal to industry standard 3890 / PS-3890 / 200CSP.
    Direct-fit crimped Type 166 / T-16 single-spring seal for pool/spa and small-pump applications—built for reliable everyday service.

    At-a-glance specs:
    5/8″ shaft • Cup seat: 1.381″ / 1.375″ × 0.406″ • Carbon/Ceramic faces • Nitrile elastomers

    Why choose 3890:

    • T-16 footprint for quick, direct replacement

    • General-duty build for clean water and standard chemistry

    • Proven performance in pool/spa and small circulation pumps

    Upgrade / Variation

    • 3890cv — same fit with machined carbon face for enhanced durability

    Have questions? Check out our Pool/Spa Small Pump Guide or call us anytime—we’re here to help.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    Weight 1 lbs
    Dimensions 8 × 6 × 4 in
    View Product
  • ps-100 , ps-200 , ps-201 mechanical seal- buy now!

    Mechanical Seal 3890CV (PS-3890V-CMS) — 5/8″

    Mechanical Seal 3890CV (PS-3890V-CMS) — 5/8″

    Mechanical Seal 3890V — Type 166 / T-16 (5/8″) | PS-3890V-CMS Equivalent

    Equal to industry standard 3890V / PS-3890V-CMS
    Direct-fit Type 166 / T-16 single-spring seal for pool/spa and small-pump applications—upgraded with Viton elastomers and a machined carbon/ceramic face set for longer service life.

    At-a-glance specs: 5/8″ shaft • 1.381″ / 1.375″ × 0.406″ cup seat • Machined carbon/ceramic faces • Viton elastomers

    Why choose 3890V:

    • Viton handles higher chlorine, heat, and chemicals better than Buna

    • Machined carbon face for smoother sealing and stability

    • T-16 footprint for quick, drop-in replacement

    Variation (same footprint)

    • 3890c — Carbon/Ceramic face set

    Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.

    Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Pre-Cut Gaskets.

    Have questions? Check out our Pool/Spa Small Pump Guide or call us anytime—we’re here to help

    Weight 1 lbs
    Dimensions 8 × 6 × 4 in
    View Product

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