Nidec ASB843A 2 HP 56Y square flange pool pump motor in almondNidec Replacement Motor for Pentair Pumps, 56 Square Flange, 208/230V 2HP, ASB843A$49099
Nidec ASB843A 2 HP 56Y square flange pool pump motor in almond
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Nidec Replacement Motor for Pentair Pumps, 56 Square Flange, 208/230V 2HP, ASB843A

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$49099
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Quick overview

  • Direct WhisperFlo replacement Drops into the full rated and up rated energy efficient Pentair WhisperFlo 011515 WFE-8 and 011520 WFE-30.
  • 2 HP, 2.6 total horsepower Rated 2 HP with a 2.6 total horsepower figure, on 208 to 230 volts at 60 Hz.
  • 56Y square flange Mounts to the standard square flange seal plate used on those Pentair wet ends.
  • High efficiency build The energy efficient version of the motor rather than the older standard efficiency design.
  • Open drip proof The usual outdoor pool motor enclosure, meant to live under a pad cover or shelter.
  • Almond finish Matches the almond housings on the Pentair pumps it replaces.
Full description and specifications ↓

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Product details

The Nidec ASB843A is a 2 HP single speed replacement motor for 56 frame square flange pool and spa pumps. It runs on 208 to 230 volts at 60 Hz, carries a 2.6 total horsepower rating, and comes in the almond finish used on the Pentair pumps it replaces.

What it replaces

This is the direct replacement for the full rated and up rated energy efficient Pentair WhisperFlo models 011515 WFE-8 and 011520 WFE-30. When the motor on one of those pumps fails, the wet end, seal plate and plumbing all stay where they are and only the motor changes, which is far cheaper than a whole new pump.

Square flange and ODP

The 56Y square flange bolts to the square flange seal plate on those wet ends, and the open drip proof enclosure is standard outdoor pool motor construction. Before ordering, read the nameplate on the old motor and confirm the frame, the shaft and the voltage, since square flange and C face motors are not interchangeable and a 115 volt circuit will not run this one.

Plan on new seals

Any motor swap opens the pump at the seal plate, so it is normal practice to fit a fresh shaft seal and the seal plate gasket or o-ring at the same time rather than reusing parts that have already been compressed.

From Pool School

Replace the Pool Pump Motor or the Whole Pump?The manufacturers' tests first, what each repair replaces, and the federal motor rule. Read How to Prime a Pool PumpFrom the breaker to a full pot, each manufacturer's time limit, and what to check when it won't catch prime. Read
Specifications
Brand Nidec
Manufacturer part number ASB843A
UPC 786382110901
Type Single speed pool and spa pump motor
Horsepower 2 HP
Total horsepower 2.6 THP
Voltage 208-230V 60Hz
Frame 56Y square flange
Enclosure ODP, open drip proof
Color Almond
Replaces Pentair WhisperFlo 011515 WFE-8 and 011520 WFE-30
Shipping weight 32.95 lb
Ships Parcel

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Questions and answers

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

Which pumps does this motor fit?
It is listed as a direct replacement for the full rated and up rated energy efficient Pentair WhisperFlo models 011515 WFE-8 and 011520 WFE-30.
Is this a genuine Pentair motor?
No. It is the Nidec ASB843A, an aftermarket replacement motor built to fit those Pentair pumps. Pentair sells its own OEM version separately.
Will it run on 115 volts?
No. This motor is 208-230V 60Hz only, so the circuit at the pad has to match.
What is the difference between 2 HP and 2.6 THP?
2 HP is the nameplate rating. 2.6 is the total horsepower, the nameplate horsepower multiplied by the service factor, which is why the same motor is described both ways.
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