Swimables SW-21-101 Pump Seal Assembly | 5/8" | PS-1000

The Swimables SW-21-101 Pump Seal Assembly is a precision replacement for the widely used PS-1000 shaft seal, built for pumps requiring a 5/8″ shaft size. Featuring a ceramic mating ring, Buna elastomer secondary seal, and stainless steel components, it provides long-lasting durability in harsh pool and spa environments. Designed to create a tight seal between the motor and wet end, it prevents leaks that can cause costly motor damage. Simple to install, this seal assembly restores pump integrity and reliable operation in chlorinated, ozone, and saltwater systems.

Highlights

• Exact Replacement for PS-1000 Seal: Designed to directly replace the PS-1000 shaft seal, the SW-21-101 matches 5/8″ shaft dimensions. Its accurate fit ensures seamless installation in a wide range of pool and spa pumps.

• Durable Ceramic & Buna Construction: Built with a ceramic mating ring and Buna elastomers, the seal resists chemical wear from chlorine, ozone, and salt. This combination ensures a reliable, long-lasting seal.

• Stainless Steel Hardware for Strength: Incorporates stainless steel springs and support components that resist corrosion. Their strength maintains seal integrity and alignment under system pressure.

• Prevents Motor Damage from Leaks: Creates a barrier between the wet end and motor that protects against water intrusion. Preventing leaks extends pump life and safeguards electrical components.

• Easy to Install & Service: Engineered for drop-in installation with minimal tools, making it convenient for technicians and homeowners. This design reduces downtime and supports quick, reliable maintenance.

Additional Info

The Swimables SW-21-101 is a direct replacement for the PS-1000 seal, used on 5/8″ pump shafts. This section explains installation, troubleshooting leaks, and checking local pricing and stock.

Installing the SW-21-101 Locally

This seal is built with stainless steel springs, Buna elastomers, and a ceramic mating ring for dependable performance.

How do I install the Swimables SW-21-101 shaft seal into my pump housing?

Does the SW-21-101 work as a PS-1000 replacement near me?

Should I lubricate the elastomer before pressing in the SW-21-101?

Can I check local price and stock for the SW-21-101 before pickup?

Common Causes of Seal Leaks

Pump shaft leaks often stem from improper seating, heat damage, or chemical wear.

Why is water seeping past the shaft even with a new SW-21-101?

Could chemical exposure shorten the life of the SW-21-101 seal?

How do I confirm the spring and ceramic surfaces are aligned properly?

Is the SW-21-101 replacement seal available at local pool shops near me?

Choosing the Right Pump Seal Locally

Using the exact PS-1000 equivalent ensures tight sealing and motor protection.

Is the Swimables SW-21-101 an exact match for the PS-1000 shaft seal?

How do I confirm my local supplier carries the SW-21-101 seal kit?

Should I replace the pump impeller at the same time as the seal?

Can I compare the SW-21-101 with other shaft seals at nearby stores?