Pentair whisper flow noise using high speed

tnel20

New member
Sep 9, 2023
2
Phoenix, AZ
Looking for a little guidance . I have a whisperflo 1.5hp pump and the century 2 speed pump . Has been running o. Low speed ever since I bought my house in 2015 and the pool was installed in 1990. The pump stopped flowing water and the motor humming . Swapped both the start and run capacitor and working good now. I hooked up highspeed to see how it would run and the whisperflo unit sounds like it's drawing in air . On low I can only run my returns or waterfall. Not both . On high I can run them both . On low to get my "the pool cleaner" working I have to have the skimmer pretty much doing nothing . On high both are working properly. I pulled the motor and pump off and inspected and all looks fine . Thinking I might need a seal kit . Here are some videos . One is on low , other is wired on high and the pre filter is when on high . i took the pump to a local pool pump repair place and when the motor is on high not in the pump it sounds fine so its definitely in the pump assembly.
No water leaking but does it sound like a seal kit for the mounting plate and impeller would fix this noise ?
Filter is clean with 4 new filters . On low pressure is 1 -2 psi on high it's 10psi

on low

on high
 
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