U.S. Seal PS-601 shaft seal assembly for a 3/4 inch pump shaftU.S. Seal Shaft Seal Assembly, 3/4" Shaft, PS-601 In stock$1899
U.S. Seal PS-601 shaft seal assembly for a 3/4 inch pump shaft
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U.S. Seal Shaft Seal Assembly, 3/4" Shaft, PS-601

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$1899
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Quick overview

  • 3/4 inch shaft Sized for pool pump motors running a 3/4 inch shaft.
  • Measured, not guessed Seal outside diameter 1-9/16 inch, mating ring 1-3/8 inch across and 13/32 inch thick, so it can be checked against the old seal.
  • Fits several pumps Sold as a replacement seal used across a number of pool pumps rather than for one model only.
  • Complete assembly Supplied as the shaft seal assembly, the rotating half and the mating ring together.
  • The fix for a leaking seal plate Water weeping between the seal plate and the motor is the classic sign the shaft seal has gone.
  • Salt and ozone option An extra heavy duty version of the same 3/4 inch seal is stocked separately for saltwater and ozone pools.
Full description and specifications ↓

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Product details

The U.S. Seal PS-601 is a replacement shaft seal assembly for a 3/4 inch pump shaft. It is sold as a seal that fits a number of pool pumps rather than as a single model part.

Check it by measurement

Seals are matched by dimension, not by pump name. This one takes a 3/4 inch shaft, measures 1-9/16 inch across the seal outside diameter, and its mating ring is 1-3/8 inch in diameter by 13/32 inch thick. Compare those against the seal you pull out and you will know whether it is the right part.

The failure it fixes

The shaft seal is what keeps pump water from following the shaft back into the motor. When it fails you get water weeping from between the seal plate and the motor, and left long enough that water finds the motor bearings. Replace the seal whenever the wet end is opened, since a seal that has been removed will not reseat properly.

Salt and ozone pools

An extra heavy duty version of the same 3/4 inch seal is stocked separately for saltwater and ozone systems, which are harder on seal materials.

Specifications
Brand U.S. Seal
Manufacturer part number PS-601
UPC 852661157384
Type Shaft seal assembly
Shaft size 3/4"
Seal outside diameter 1-9/16"
Mating ring diameter 1-3/8"
Mating ring thickness 13/32"
Listed under Jandy Stealth original models, JHP and JHPU pump parts
Shipping weight 0.15 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

What size shaft does it fit?
A 3/4 inch shaft. The seal outside diameter is 1-9/16 inch and the mating ring is 1-3/8 inch across by 13/32 inch thick, so you can measure the old seal against those figures.
Which pumps does it fit?
It is sold as a replacement seal that fits several pool pumps, and it is carried under the Jandy Stealth original JHP and JHPU pump parts group. Check the dimensions above against your existing seal.
Is there a version for salt pools?
Yes. An extra heavy duty 3/4 inch shaft seal assembly for saltwater and ozone pools is stocked as a separate item.
Can I reuse the old seal after taking the pump apart?
No. Once a shaft seal has been pulled off the shaft the faces will not seat the same way again, so fit a new one whenever the wet end comes apart.
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