Pump is unusually loud only at high speed on variable-speed models.

Safety: Do not place hands near moving parts while the pump is running.

• Reduce maximum RPM: Program the Sta‑Rite variable‑speed pump to a slightly lower maximum speed where noise is acceptable but flow is still adequate.
• Check for cavitation: Look for air in the pump lid and listen for gravelly sounds. If present, open suction valves fully and ensure water level is adequate.
• Secure pump and panels: Tighten mounting bolts and any loose drive covers that may rattle at high speed.
• Evaluate plumbing: If noise persists, consult a professional about whether plumbing size or layout is causing excessive velocity.