Hello, running into sloshing/grinding/bubbling noise for first time on 3 year old pump. Cleaned out and lubed all connections, O-rings, impeller on suction intake end, including the pot and volute assemblies. No visible damage or water leaks. Only seal I didn't check is mechanical shaft seal. Water temp is in 40s-50s. Could it be the cold? I also had scary bearing whining noise one really cold morning. But that has since stopped. Any advice on what to check next. Or what would be a good replacement pump for my Pentair CC150 Cartridge/Base? ThanksSloshing/Grinding Noise: https://youtu.be/-rrMrlOEmtI
Whining noise, now gone: https://youtu.be/eivKWmChtAA
Motor sounding fine disassembled: https://youtu.be/ogqEsE6vecI
Current Pump/Filter Cartridge Setup everything is 3 years old:
- Pool: 24' ABP, 14,500 gallons
- Pump: Pentair Optiflo 2hp pump P/N 340078
- Cartdrige: Pentair Clean and Clear Cartridge filter CC150
- 20A dedicated electric line for pump
- 1 1/2" piping
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