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

WhisperFlo Motors Standard - Up Rated

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

WhisperFlo Motors Energy Efficient - Full Rate

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

WhisperFlo Motors Energy Efficient - Up Rate

Pump Model
Replacement
Motor
HorsePower
Service
Factor
Voltage
AMPS
Frame
BuyMe
WFE-24
UQC1102
1.0
1.90
115/230
12.6/6.3
56Y
WFE-26
UQC1152
1.5
1.67
115/208-230
16.0/8.0
56Y
WFE-28
USQ1202
2.0
1.65
230
10.4
56Y
WFE-30
USQ1252
2.5
1.47
230
11.2
56Y

Whisperflo Seal and Gasket Kit

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