1000 Mechanical Seal (PS-1000) — 5/8″Pentair IntelliFlo, WhisperFlo & Polaris PB4-60 Pool Pumps

Mechanical Seal 1000 — Type 6 (5/8″) | PS-1000

Equal to industry standard 1000 / PS-1000.
Direct-fit Type 6 single-spring seal for pool/spa and small-pump applications—built with molded carbon/ceramic faces and Buna-N elastomers for reliable everyday service.

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

Fits: Pentair IntelliFlo®, WhisperFlo® and Ultra-Flo (071734S), the Polaris PB4-60 booster pump, Jandy, Sta-Rite and American Products Eagle and Maxim pool pumps, plus Astral Pool, Doughboy, Gecko and Acura spa systems. Pentair IntelliFloXF takes the PS-201; the Polaris PB4-60Q takes the PS-3890.

Same seal, same size, same fit — what changes is the material and how it’s built. All five seals below are the PS-1000 for a 5/8″ shaft, and all five fit the same pumps. They differ in two ways. The build: a molded carbon face or a premium carbon face machined from solid stock. The materials: a ceramic or silicon carbide seat, and Nitrile or Viton rubber. Pick the one that suits your water.

Seal	Material	Best For This Water
1000	Molded carbon face, ceramic seat, Nitrile rubber	Normal chlorine, normal temperature, clear water. The standard build for a home pool or spa.
1000cv	Molded carbon face, ceramic seat, Viton rubber	Saltwater or higher chlorine, and warmer water. Viton holds up where standard Nitrile hardens and cracks.
961	Machined premium carbon face, ceramic seat, Nitrile rubber	Saltwater pools with a chlorine generator, commercial pools, or any pump that runs most of the day.
3865	Machined premium carbon face, ceramic seat, Viton rubber	High chlorine and hot water — heated spas, therapy pools, heavy commercial duty.
1000cvss	Silicon carbide face and seat, Viton rubber	Sandy, dusty or gritty water, or any pump where seals keep failing early. The hardest faces we offer.

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	.25 lbs
Dimensions	1.5 × 1.5 × 1.25 in

1000CV Mechanical Seal (PS-1000V-CMS) — 5/8″Pentair IntelliFlo, WhisperFlo & Polaris PB4-60 Pool Pumps

Mechanical Seal 1000CV — T-75 / T-6A (5/8″) | PS-1000V-CMS

Equal to industry standard 1000V-CMS / PS-1000V-CMS.
Direct-fit T-75 / T-6A 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: 5/8″ shaft • 1.25″ × 0.406″ cup seat • Carbon/Ceramic faces • Viton elastomers • T-75 / T-6A footprint

Fits: Pentair IntelliFlo®, WhisperFlo® and Ultra-Flo (071734S), the Polaris PB4-60 booster pump, Jandy, Sta-Rite and American Products Eagle and Maxim pool pumps, plus Astral Pool, Doughboy, Gecko and Acura spa systems. Pentair IntelliFloXF takes the PS-201; the Polaris PB4-60Q takes the PS-3890.

Same seal, same size, same fit — what changes is the material and how it’s built. All five seals below are the PS-1000 for a 5/8″ shaft, and all five fit the same pumps. They differ in two ways. The build: a molded carbon face or a premium carbon face machined from solid stock. The materials: a ceramic or silicon carbide seat, and Nitrile or Viton rubber. Pick the one that suits your water.

Seal	Material	Best For This Water
1000	Molded carbon face, ceramic seat, Nitrile rubber	Normal chlorine, normal temperature, clear water. The standard build for a home pool or spa.
1000cv	Molded carbon face, ceramic seat, Viton rubber	Saltwater or higher chlorine, and warmer water. Viton holds up where standard Nitrile hardens and cracks.
961	Machined premium carbon face, ceramic seat, Nitrile rubber	Saltwater pools with a chlorine generator, commercial pools, or any pump that runs most of the day.
3865	Machined premium carbon face, ceramic seat, Viton rubber	High chlorine and hot water — heated spas, therapy pools, heavy commercial duty.
1000cvss	Silicon carbide face and seat, Viton rubber	Sandy, dusty or gritty water, or any pump where seals keep failing early. The hardest faces we offer.

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	.25 lbs
Dimensions	1.5 × 1.5 × 1.25 in

1000CVSS Mechanical Seal (PS-1000VSC) — 5/8″Pentair IntelliFlo, WhisperFlo & Polaris PB4-60 Pool Pumps

Mechanical Seal 1000CVSS — T-75 (5/8″)| PS-1000VSC

Equal to industry standard 1000VSC / PS-1000VSC.
Direct-fit T-75 single spring seal for pool/spa and small-pump applications—built for long life with hard faces and chemical-resistant elastomers.

At-a-glance specs: 5/8″ shaft • 1.250″ × 0.406″ cup seat • Silicon Carbide / Silicon Carbide faces • Viton elastomers

Fits: Pentair IntelliFlo®, WhisperFlo® and Ultra-Flo (071734S), the Polaris PB4-60 booster pump, Jandy, Sta-Rite and American Products Eagle and Maxim pool pumps, plus Astral Pool, Doughboy, Gecko and Acura spa systems. Pentair IntelliFloXF takes the PS-201; the Polaris PB4-60Q takes the PS-3890.

Same seal, same size, same fit — what changes is the material and how it’s built. All five seals below are the PS-1000 for a 5/8″ shaft, and all five fit the same pumps. They differ in two ways. The build: a molded carbon face or a premium carbon face machined from solid stock. The materials: a ceramic or silicon carbide seat, and Nitrile or Viton rubber. Pick the one that suits your water.

Seal	Material	Best For This Water
1000	Molded carbon face, ceramic seat, Nitrile rubber	Normal chlorine, normal temperature, clear water. The standard build for a home pool or spa.
1000cv	Molded carbon face, ceramic seat, Viton rubber	Saltwater or higher chlorine, and warmer water. Viton holds up where standard Nitrile hardens and cracks.
961	Machined premium carbon face, ceramic seat, Nitrile rubber	Saltwater pools with a chlorine generator, commercial pools, or any pump that runs most of the day.
3865	Machined premium carbon face, ceramic seat, Viton rubber	High chlorine and hot water — heated spas, therapy pools, heavy commercial duty.
1000cvss	Silicon carbide face and seat, Viton rubber	Sandy, dusty or gritty water, or any pump where seals keep failing early. The hardest faces we offer.

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	.25 lbs
Dimensions	1.5 × 1.5 × 1.25 in

ps-100 , ps-200 , ps-201 mechanical seal

100c Mechanical Seal (PS-100) — 5/8″Sta-Rite & Pentair Dura-Glas, Max-E-Glas Pool Pumps

Mechanical Seal 100c — Type 166 (5/8″)| PS-100 Equivalent

Equivalent to industry standard 100 / PS-100.
Direct-fit Type 166 mechanical seal for Sta-Rite/Pentair J Series pumps. Built with molded carbon / ceramic faces and Buna-N elastomers for reliable, everyday pool/spa service.

At-a-glance: 5/8″ shaft • 1.187″ × 0.343″ cup seat • Molded carbon/ceramic, Buna-N (Type 6W)

Fitment: J Series Shaft Seal — 5/8″ (Buna-N Type 6W replacement for Sta-Rite/Pentair J Series)

Cross-references (identical to)
U10993SS, 173510102, AS100, Anthony 04547, East Side P28322, Purex P28280, 071733, Sta-Rite U109-6A, U109093, U10993SS, 173510102, Sears 42G2377W, Swimquip P61

Technical Specifications:

Product Category: Parts

Poolweb Item #: U109-6B

Cross Reference #: APCAS100, U109-6A

Same seal, same size, same fit — what changes is the material and how it’s built. All five seals below are the PS-100 for a 5/8″ shaft, and all five fit the same pumps. They differ in two ways. The build: a molded carbon face or a premium carbon face machined from solid stock. The materials: a ceramic or silicon carbide seat, and Nitrile or Viton rubber. Pick the one that suits your water.

Seal	Material	Best For This Water
100c — this seal	Molded carbon face, ceramic seat, Nitrile rubber	Normal chlorine, normal temperature, clear water. The standard build for a home pool or spa.
100cv	Molded carbon face, ceramic seat, Viton rubber	Saltwater or higher chlorine, and warmer water. Viton holds up where standard Nitrile hardens and cracks.
957	Machined premium carbon face, ceramic seat, Nitrile rubber	Saltwater pools with a chlorine generator, commercial pools, or any pump that runs most of the day.
3866	Machined premium carbon face, ceramic seat, Viton rubber	High chlorine and hot water — heated spas, therapy pools, heavy commercial duty.
100cvss	Silicon carbide face and seat, Viton rubber	Sandy, dusty or gritty water, or any pump where seals keep failing early. The hardest faces we offer.

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 more OEM numbers and Pump Nameplate Data

Weight	.25 lbs
Dimensions	.75 × .75 × 1.25 in

100CV Mechanical Seal (PS-100V-CMS) — 5/8″Fits Sta-Rite & Pentair Dura-Glas, Max-E-Glas Pool Pumps

Mechanical Seal 100CV — Type 166 / T-16 (5/8″) | PS-100V-CMS

Equal to industry standard 100CV / PS-100V-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/FKM elastomers for added chemical and temperature resistance.

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

Same seal, same size, same fit — what changes is the material and how it’s built. All five seals below are the PS-100 for a 5/8″ shaft, and all five fit the same pumps. They differ in two ways. The build: a molded carbon face or a premium carbon face machined from solid stock. The materials: a ceramic or silicon carbide seat, and Nitrile or Viton rubber. Pick the one that suits your water.

Seal	Material	Best For This Water
100c	Molded carbon face, ceramic seat, Nitrile rubber	Normal chlorine, normal temperature, clear water. The standard build for a home pool or spa.
100cv	Molded carbon face, ceramic seat, Viton rubber	Saltwater or higher chlorine, and warmer water. Viton holds up where standard Nitrile hardens and cracks.
957	Machined premium carbon face, ceramic seat, Nitrile rubber	Saltwater pools with a chlorine generator, commercial pools, or any pump that runs most of the day.
3866	Machined premium carbon face, ceramic seat, Viton rubber	High chlorine and hot water — heated spas, therapy pools, heavy commercial duty.
100cvss	Silicon carbide face and seat, Viton rubber	Sandy, dusty or gritty water, or any pump where seals keep failing early. The hardest faces we offer.

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	.25 lbs
Dimensions	1.5 × 1.5 × 1.25 in

ps-100 ps-200 ps-201 pump seal sic/sic/vit

100CVSS Mechanical Seal (PS-100VSC) — 5/8″Sta-Rite & Pentair Dura-Glas, Max-E-Glas Pool Pumps

Mechanical Seal 100CVSS — Type 166 / T-16 (5/8″) | PS-100-SC-SC

Equal to industry standard 100CVSC / PS-100-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 specs: 5/8″ shaft • 1.187″ × 0.343″ cup seat • Silicon Carbide / Silicon Carbide faces • Viton elastomers

Same seal, same size, same fit — what changes is the material and how it’s built. All five seals below are the PS-100 for a 5/8″ shaft, and all five fit the same pumps. They differ in two ways. The build: a molded carbon face or a premium carbon face machined from solid stock. The materials: a ceramic or silicon carbide seat, and Nitrile or Viton rubber. Pick the one that suits your water.

Seal	Material	Best For This Water
100c	Molded carbon face, ceramic seat, Nitrile rubber	Normal chlorine, normal temperature, clear water. The standard build for a home pool or spa.
100cv	Molded carbon face, ceramic seat, Viton rubber	Saltwater or higher chlorine, and warmer water. Viton holds up where standard Nitrile hardens and cracks.
957	Machined premium carbon face, ceramic seat, Nitrile rubber	Saltwater pools with a chlorine generator, commercial pools, or any pump that runs most of the day.
3866	Machined premium carbon face, ceramic seat, Viton rubber	High chlorine and hot water — heated spas, therapy pools, heavy commercial duty.
100cvss	Silicon carbide face and seat, Viton rubber	Sandy, dusty or gritty water, or any pump where seals keep failing early. The hardest faces we offer.

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	.25 lbs
Dimensions	1.5 × 1.5 × 1.25 in

200c Mechanical Seal (PS-200) — 5/8″Hayward Max-Flo II & Pentair SuperFlo Pool Pumps

Mechanical Seal 200 — Type 166 (5/8″) | PS-200

Equal to industry standard 200 / PS-200.
Direct-fit Type 166 single-spring seal for pool/spa and small-pump applications—built with molded carbon / ceramic faces and Buna-N elastomers for dependable everyday service.

At-a-glance specs: 5/8″ shaft • 1.25″ × 0.406″ cup seat • Carbon/Ceramic faces • Buna-N elastomers

Fits: Hayward Max-Flo II® and Max-Flo VS (SPX1250XZ2), Pentair / Pac-Fab Challenger®, Dynamo®, Dynatron® and Pinnacle®, Sta-Rite Dura-Glas® and Max-E-Glas® Series PE, PEA, P2R and P2RA, plus Speck, Waterway, Jacuzzi, Astral Pool and Doughboy pool and spa pumps. The original Hayward Max-Flo (SP2800X) and Dura-Glas II / Max-E-Glas II take the PS-201; pre-1998 Dura-Glas takes the PS-100.

Same seal, same size, same fit — what changes is the material and how it’s built. All five seals below are the PS-200 for a 5/8″ shaft, and all five fit the same pumps. They differ in two ways. The build: a molded carbon face or a premium carbon face machined from solid stock. The materials: a ceramic or silicon carbide seat, and Nitrile or Viton rubber. Pick the one that suits your water.

Seal	Material	Best For This Water
200c	Molded carbon face, ceramic seat, Nitrile rubber	Normal chlorine, normal temperature, clear water. The standard build for a home pool or spa.
200cv	Molded carbon face, ceramic seat, Viton rubber	Saltwater or higher chlorine, and warmer water. Viton holds up where standard Nitrile hardens and cracks.
516	Machined premium carbon face, ceramic seat, Nitrile rubber	Saltwater pools with a chlorine generator, commercial pools, or any pump that runs most of the day.
3867	Machined premium carbon face, ceramic seat, Viton rubber	High chlorine and hot water — heated spas, therapy pools, heavy commercial duty.
200cvss	Silicon carbide face and seat, Viton rubber	Sandy, dusty or gritty water, or any pump where seals keep failing early. The hardest faces we offer.

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.

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

Please click “specifications” below for OEM numbers and Pump Nameplate Data

Weight	.25 lbs
Dimensions	1.5 × 1.5 × 1.25 in

200CV Mechanical Seal (PS-200V-CMS) — 5/8″Hayward Max-Flo II & Pentair SuperFlo Pool Pumps

Mechanical Seal 200CV — Type 166 / T-16 (5/8″) | PS-200V-CMS

Equal to industry standard 200CV / PS-200V-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/FKM elastomers for added chemical and temperature resistance.

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

Fits: Hayward Max-Flo II® and Max-Flo VS (SPX1250XZ2), Pentair SuperFlo® and SuperFlo VS (354545S), Pentair / Pac-Fab Challenger®, Dynamo®, Dynatron® and Pinnacle®, Sta-Rite Dura-Glas® and Max-E-Glas® Series PE, PEA, P2R and P2RA, plus Speck, Waterway, Jacuzzi, Astral Pool and Doughboy pool and spa pumps. Pentair SuperFlo VST, the original Hayward Max-Flo (SP2800X) and Dura-Glas II / Max-E-Glas II take the PS-201; pre-1998 Dura-Glas takes the PS-100.

Same seal, same size, same fit — what changes is the material and how it’s built. All five seals below are the PS-200 for a 5/8″ shaft, and all five fit the same pumps. They differ in two ways. The build: a molded carbon face or a premium carbon face machined from solid stock. The materials: a ceramic or silicon carbide seat, and Nitrile or Viton rubber. Pick the one that suits your water.

Seal	Material	Best For This Water
200c	Molded carbon face, ceramic seat, Nitrile rubber	Normal chlorine, normal temperature, clear water. The standard build for a home pool or spa.
200cv	Molded carbon face, ceramic seat, Viton rubber	Saltwater or higher chlorine, and warmer water. Viton holds up where standard Nitrile hardens and cracks.
516	Machined premium carbon face, ceramic seat, Nitrile rubber	Saltwater pools with a chlorine generator, commercial pools, or any pump that runs most of the day.
3867	Machined premium carbon face, ceramic seat, Viton rubber	High chlorine and hot water — heated spas, therapy pools, heavy commercial duty.
200cvss	Silicon carbide face and seat, Viton rubber	Sandy, dusty or gritty water, or any pump where seals keep failing early. The hardest faces we offer.

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	.25 lbs
Dimensions	1.5 × 1.5 × 1.25 in

200CVSS Mechanical Seal (PS-200V-SC-SC) — 5/8″Hayward Max-Flo II & Pentair SuperFlo Pool Pumps

Mechanical Seal 200CVSS — Type 166 / T-16 (5/8″) | PS-200v-SC-SC

Equal to industry standard 200CVSS / PS-200v-SC-SC.
Direct-fit Type 166 / T-16 single-spring seal for pool/spa and small-pump applications—engineered with Silicon Carbide faces and Viton/FKM elastomers for added chemical and temperature resistance.

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

Fits: Hayward Max-Flo II® and Max-Flo VS (SPX1250XZ2), Pentair SuperFlo® and SuperFlo VS (354545S), Pentair / Pac-Fab Challenger®, Dynamo®, Dynatron® and Pinnacle®, Sta-Rite Dura-Glas® and Max-E-Glas® Series PE, PEA, P2R and P2RA, plus Speck, Waterway, Jacuzzi, Astral Pool and Doughboy pool and spa pumps. Pentair SuperFlo VST, the original Hayward Max-Flo (SP2800X) and Dura-Glas II / Max-E-Glas II take the PS-201; pre-1998 Dura-Glas takes the PS-100.

Same seal, same size, same fit — what changes is the material and how it’s built. All five seals below are the PS-200 for a 5/8″ shaft, and all five fit the same pumps. They differ in two ways. The build: a molded carbon face or a premium carbon face machined from solid stock. The materials: a ceramic or silicon carbide seat, and Nitrile or Viton rubber. Pick the one that suits your water.

Seal	Material	Best For This Water
200c	Molded carbon face, ceramic seat, Nitrile rubber	Normal chlorine, normal temperature, clear water. The standard build for a home pool or spa.
200cv	Molded carbon face, ceramic seat, Viton rubber	Saltwater or higher chlorine, and warmer water. Viton holds up where standard Nitrile hardens and cracks.
516	Machined premium carbon face, ceramic seat, Nitrile rubber	Saltwater pools with a chlorine generator, commercial pools, or any pump that runs most of the day.
3867	Machined premium carbon face, ceramic seat, Viton rubber	High chlorine and hot water — heated spas, therapy pools, heavy commercial duty.
200cvss	Silicon carbide face and seat, Viton rubber	Sandy, dusty or gritty water, or any pump where seals keep failing early. The hardest faces we offer.

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	.25 lbs
Dimensions	1.5 × 1.5 × 1.25 in