U.S. Seal PS1000 mechanical shaft seal assembly for pool pumpsU.S. Seal PS1000 Shaft Seal Assembly In stock$699
U.S. Seal PS1000 mechanical shaft seal assembly for pool pumps
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U.S. Seal PS1000 Shaft Seal Assembly

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$699
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Quick overview

  • Stops the seal plate leak Water dripping between the motor and the seal plate is the sign this seal has failed.
  • Two piece design A ceramic seat with a rubber back, and a carbon face with spring and stainless steel cup.
  • Fits many pumps Used on Pentair, Hayward, Polaris, Jandy, Waterway and Astral pumps, including the WhisperFlo, Ultra-Flo, PB4-60 booster and Waterway Executive.
  • Cross references Replaces AS1000, VG1000, P55, S1000, PSEAL5 and a long list of other OEM numbers.
  • Replace it every teardown Fit a new seal any time the pump wet end comes apart.
  • Install with a 1 in. coupling Press the cup side into the housing with a 1 in. coupling so the carbon face is never touched.
Full description and specifications ↓

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Product details

The U.S. Seal PS1000 is the mechanical shaft seal that keeps water in the wet end of a pool pump and out of the motor. It fits pumps from Polaris, Pentair, Hayward, Astral, Jandy and Waterway, and it replaces a long list of OEM seal numbers including AS1000, VG1000, P55 and S1000.

When you need one

The symptom is water leaking between the motor and the seal plate. Ignored, that water tracks down the shaft into the motor bearings and ruins the motor; a motor that has started screaming has usually already been flooded and needs replacing too. Beyond that, fit a new seal any time the pump is dismantled, since a used seal rarely goes back together dry.

Two pieces

One half is a ceramic seat in a rubber back that presses into the seal plate. The other is a carbon face with a spring and stainless steel cup that rides on the impeller side. The two polished faces running against each other are the seal.

Installing it

Never touch the black carbon face. The easiest way to seat the cup half is a 1 in. coupling, which presses on the cup and lets the seal go into the housing square without contacting the face.

Specifications
Brand U.S. Seal
Manufacturer part number PS1000
UPC 852661157032
Type Mechanical shaft seal
Construction Ceramic seat with rubber back, carbon face with spring and cup
Pump brands Polaris, Pentair, Hayward, Astral, Jandy, Waterway
Fits Pentair WhisperFlo WF and WFE, American Products Ultra-Flo, Pentair Letro LA01N booster, Polaris PB4-60 booster, Waterway Center Discharge, Hi-Flo, Champion 56, SVL56, Spa Flo, Iron Might, Workman, Executive 48 and 56 frame, Supreme, Aqua-Flo A Series and Dominator high head, Astral Astra Max
Substitute part numbers P55, S1000, 1128106, AP304D, 001438L, 01512-101, 71734, AQF-101-7737, 04380, 31813, PSEAL5, 603240, 300009, AS1000, 3061002, STA-101-5156, LA1000, U109136SS, P28323, VG1000, PUR-101-6168, 319-3100b
Shipping weight 0.1 lb
Ships Parcel

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Questions and answers

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

How do I know this seal has failed?
Water leaking between the motor and the seal plate. Left too long, water runs down the shaft into the motor. If the motor is already making a loud screaming noise, that has probably happened and the motor should be replaced along with the seal.
Will it fit my pump?
It is used across Polaris, Pentair, Hayward, Astral, Jandy and Waterway pumps, including the Pentair WhisperFlo, Ultra-Flo, Polaris PB4-60 booster, the Waterway Executive, Hi-Flo, Champion and Supreme, and the Aqua-Flo Dominator. If your old seal carries AS1000, VG1000, P55, S1000 or another number in the cross reference list, this is the match.
How do I install it without damaging it?
Do not touch the black carbon face. Press the stainless cup side into the pump housing with a 1 in. coupling, which bears on the cup rather than the face.
Should I replace it if it is not leaking yet?
Yes, whenever the pump is dismantled. A used seal rarely reseats, and the part costs far less than the motor it protects.
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