Sta-Rite pool pump will not hold prime; loses water in the strainer basket shortly after shutoff.

Safety: Turn off the pump before working on plumbing.

• Inspect lid and unions: Clean and lubricate the Sta-Rite lid O-ring, and tighten suction-side unions.
• Check for visible leaks: With the pump running, look for water drips on the suction plumbing. Any water leak on suction side is also an air leak when the pump is off.
• Test check valve: If a suction-side check valve is installed, remove and inspect it for debris or worn flapper. Replace if it does not seal properly.
• Pressure test suction line: If leaks are suspected underground, a professional pressure test may be needed to locate and repair pipe leaks.