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Pentair WhisperFlo Pool Motors

Swimming Pool Motors

When selecting a replacement motor, start with the frame type, then select the HP of the pump. Often there are two motors that match the first two criteria. They are often referred to as full rated, up rated or max rated to determine the correct replacement match the service factor (SF) which is on the motor label. ?It is important to remember the motor being replaced must equal or exceed the HP x Service factor of the original motor. If the SF cannot be determined from the label, often the impeller will help us determine what the correct model is. ?A larger motor will not necessarily cause problems, but a smaller motor can overheat and cause premature failure of the motor.
When replacing a motor you must replace the seals, o-rings and gaskets. Most motors fail due to seal failure, not replacing the seal is only looking for problems.

WhisperFlo Motors Standard - Full Rated

Pump Model
Replacement
Motor
Frame
HorsePower
Service
Factor
Voltage
AMPS
BuyMe
WF-2
B846
56Y
0.5
1.95
115/230
10.8 / 5.4
WF-3
B847
56Y
0.75
1.65
115/230
14.2 / 7.1
WF-4
B848
56Y
1.0
1.65
115/230
16.0 / 8.0
WF-6
B858
56Y
1.5
1.50
115/230
22.4 / 11.2
WF-8
B748
56Y
2.0
1.30
230
11.5

WhisperFlo Motors Standard - Up Rated

Pump Model
Replacement
Motor
Frame
HorsePower
Service
Factor
Voltage
AMPS
BuyMe
WF-23
B852
56Y
0.75
1.95
115/230
10.8 / 5.4
WF-24
B853
56Y
1.0
1.25
115/230
14.2 / 7.1
WF-26
B854
56Y
1.5
1.65
115/230
16.0 / 8.0
WF-28
B859
56Y
2.0
1.50
115/230
22.4 / 11.2
WF-30
B840
56Y
2.5
1.30
230
11.5

WhisperFlo Motors Energy Efficient - Full Rate

Pump Model
Replacement
Motor
Frame
HorsePower
Service
Factor
Voltage
AMPS
BuyMe
WFE-2
B845
56Y
0.5
1.90
115/208-230
8.8/4.4-4.5
WFE-3
B661
56Y
0.75
1.67
115/208-230
11.2/6.0-5.6
WFE-4
B841
56Y
1.0
1.65
115/208-230
14.8/7.8-7.4
WFE-6
B842
56Y
1.5
1.47
208-230
9.6-8.8
WFE-8
B843
56Y
2.0
1.30
208-230
11.0-10.0
WFE-12
B844
56Y
3.0
1.15
208-230
15.0-13.6

WhisperFlo Motors Energy Efficient - Up Rate

Pump Model
Replacement
Motor
Frame
HorsePower
Service
Factor
Voltage
AMPS
BuyMe
WFE-24
UQC1102
48Y
1.0
1.25
115/230
12.6/6.3
WFE-26
UQC1152
48Y
1.5
1.10
115/208-230
16.0/8.0
WFE-28
USQ1202
48Y
2.0
1.10
230
10.4
WFE-30
USQ1252
48Y
2.5
1.00
230
11.2

Whisperflo Seal and Gasket Kit

MO-01032 Go Kit 32, Rebuild Kit, Pentair, Purex Whisperflo Pump Contains Seals, Gaskets GoKit32