Home Shop Parts PSR-201 Pool and Spa Pump Shaft Seal 3/4"

PSR-201 Pool and Spa Pump Shaft Seal 3/4"

The Aladdin PSR-201 Pump Shaft Seal is a professional-grade replacement designed for high-performance pool and spa pumps. Engineered for a 3/4" shaft, this critical component creates a watertight barrier between the pump housing and the motor. It effectively prevents moisture from reaching internal motor bearings, stopping premature failure and costly electrical damage. As the industry-standard "drop-in" for elite models from Pentair, Hayward, and Sta-Rite, the PSR-201 ensures a reliable, leak-free repair for your pump’s impeller assembly.

Key Features

Precision 3/4" Fit: Specifically designed for large-shaft pumps like the Pentair WhisperFlo and Hayward Super II.
Polished Mating Faces: High-density carbon ring and ceramic seat provide a frictionless, airtight seal.
Stainless Steel Spring: Heavy-duty spring maintains constant tension to prevent leaks during high-pressure cycles.
Direct OEM Replacement: Seamlessly replaces Pentair 354545S, Hayward SPX1600Z2, and Sta-Rite U109-35SS.
Buna-N Elastomers: Durable rubber components withstand standard pool chemicals and temperature fluctuations.

Specifications

Name: PSR-201 Pool and Spa Pump Shaft Seal 3/4"
Brand: Aladdin
SKU: PSR-201
Price: 6.80 USD
Availability: OutOfStock

Aladdin PSR-201 Heavy-Duty Pump Shaft Seal (3/4")

Professional-grade replacement designed for high-performance pool and spa pumps. Specifically engineered for 3/4" shafts, this seal prevents water from leaking into the motor, protecting internal bearings from corrosion and electrical failure.

Technical Data

Shaft Size3/4" (0.75")

Seal FacesCarbon / Ceramic

ElastomerBuna-N Rubber

HardwareStainless Steel Spring

UPC601402254420

OEM Cross-Reference

Pentair354545S

HaywardSPX1600Z2

Sta-RiteU109-35SS

IncludedSeal Head & Mating Seat

Ship Weight0.2 lbs

Elite Pump Compatibility

Pentair: WhisperFlo, IntelliFlo, EQ Series, Challenger (High Flow)
Hayward: Super II, NorthStar, TriStar, EcoStar, Super Pump (Check Shaft)

Sta-Rite: Max-E-Pro, Dyna-Pro, Dyna-Glas, Max-E-Glas II
Jandy: Stealth (SHPF/SHPM), PlusHP (PHP), FloPro (FHP)

?? Critical Safety & Installation Warnings

CONTAMINATION RISK: Do not touch the white ceramic or black carbon faces with bare fingers. Skin oils and acids will etch the faces, causing immediate premature failure.

DRY RUN HAZARD: Never power the pump without water in the housing. Friction heat will melt the seal faces and the internal rubber members within 30 seconds.

CHEMICAL RESTRICTION: Standard Buna-N elastomers are not designed for saltwater or high-ozone systems. For these applications, the Viton (PSR-201V) version is required.

ELECTRICAL SAFETY: Always disconnect power at the circuit breaker before servicing. A leaking seal allows water into the motor, creating a high risk of electrocution or fire.

?? Professional Tips for Success

Proper Lube: Use a water-based lubricant ONLY on the rubber jacket of the seat to slide it into the plate. Never use petroleum-based grease (like Vaseline), as it causes rubber to swell and fail.
Alignment: Ensure the polished faces are perfectly clean and debris-free before pressing the pump halves back together.
Impeller Check: Inspect the impeller threads and the seal plate for cracks or heat damage while the pump is disassembled.