
Quick overview
- Up rated 0.75 HP Rated 0.75 horsepower against a 1.0 service factor, which is how an up rated motor is stated.
- Single speed 115v Draws 9.8 amps at 115 volts and turns 3450 RPM.
- Flex 48 shaft Built on the 48Y frame with the flex 48 threaded shaft used across a wide range of square flange pumps.
- Motor only swap Replaces a seized or burnt out motor while the wet end, impeller and seal plate stay on the pump.
- Two part numbers, one motor Listed as BN24V1 and also as BN24SS, so either number on the old nameplate points here.
- Check the nameplate first Match frame, horsepower, service factor and voltage on the motor you are pulling off before you order.
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Product details
This is the Century BN24V1, an up rated replacement motor for pool pumps. It is rated 0.75 horsepower with a 1.0 service factor, runs on 115 volts, draws 9.8 amps and turns 3450 RPM. The same motor also appears under the number BN24SS.
Up rated, and why it matters
Up rated and full rated motors of the same nominal horsepower are not interchangeable on paper. An up rated motor quotes the larger number with a 1.0 service factor, while a full rated motor of the same real output quotes a smaller number with a higher service factor. When you replace a motor, match the rating as well as the horsepower or the pump will move a different amount of water than it did before.
Frame and shaft
The motor is a 48Y frame with a flex 48 threaded shaft, the common pattern for square flange residential pumps. Take the nameplate details off the motor you are pulling out and compare them line by line before ordering.
Fitting a motor is a wet end job: the impeller threads onto the new shaft, and the shaft seal is a wear item that is worth changing while the pump is apart.
| Brand | Century |
|---|---|
| Manufacturer part number | BN24V1 |
| Also listed as | BN24SS |
| Type | Replacement pump motor |
| Horsepower | 0.75 HP |
| Rating | Up rated |
| Service factor | 1.0 |
| Voltage | 115v |
| Amps | 9.8A |
| Speed | 3450 RPM |
| Frame | 48Y |
| Shaft | Flex 48 |
| Shipping weight | 16.4 lb |
| Ships | Parcel |
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