
Nidec Replacement Square Flange Motor for Pentair Pumps, 115V/208/230V 1HP, ASB841A
Quick overview
- Square flange 56Y The square flange 56Y frame that Pentair square flange wet ends bolt to.
- Listed for WhisperFlo Given for use with the WhisperFlo High Performance pump, models WFE-4 and WFE-26.
- Single speed One speed, single phase, 60 Hz.
- Dual voltage Rated 115/208-230 V, so it suits either supply.
- Open drip proof ODP construction in almond, the standard finish on this family.
- Two horsepower figures given The source lists it both as 1 HP and as 1.65 total horsepower, so check the plate on the motor you are replacing.
Frequently bought together

Replacement Square Flange Motor for Pentair Pumps, 115V/208/230V 1HP, ASB841A
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Product details
The Nidec ASB841A is a square flange pool and spa pump motor on the 56Y frame, open drip proof, in almond. It is listed for use with the Pentair WhisperFlo High Performance pump, models WFE-4 and WFE-26.
Ratings
It is a single speed, single phase, 60 Hz motor rated 115/208-230 V. Two horsepower figures appear against it: 1 HP, and 1.65 total horsepower. Both describe this motor, expressed on different rating conventions, so the safe move is to read the plate on the motor that is coming off and match it rather than choosing between the two numbers.
Before you swap it
Check that the wet end you have is the square flange type, since a threaded or C face motor will not bolt up. This part also appears under the numbers BPA450, EB841A and 355010S, so a cross reference from a parts list may lead you here under a different code. Fit a new shaft seal while the wet end is open.
| Brand | Nidec |
|---|---|
| Manufacturer part number | ASB841A |
| UPC | 786382110888 |
| Type | Pool and spa pump motor |
| Frame | 56Y |
| Enclosure | ODP |
| Flange | Square flange |
| Horsepower | 1 HP |
| Total horsepower | 1.65 THP |
| Number of speeds | 1-speed |
| Phase | 1-phase |
| Frequency | 60 Hz |
| Voltage rating | 115/208-230 V |
| Color | Almond |
| For use with | WhisperFlo High Performance Pump Model WFE-4 and WFE-26 |
| Also listed as | BPA450, EB841A, 355010S |
| Shipping weight | 29.2 lb |
| Ships | Parcel |
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