A.O. Smith Start Capacitor (BC-189M-250) starkfiltration supporting dependable hydraulic behavior inside

supporting dependable hydraulic behavior inside the wet end

Verify part number 321FF10-0101 and model details against the existing equipment

The 91140050 is a strong service choice when the goal is to restore a compatible AquaFlo A Series wet end with the right foundation piece rather than trying to build around a weakened original part

Supports 1-1/2 inch slip or 2 inch spigot connection styles

The fact that this kit is intended for all Gemini Plus pumps adds practical value because it gives owners and technicians a focused seal solution across that pump family

A.O. Smith Start Capacitor (BC-189M-250) starkfiltration supporting dependable hydraulic behavior insideThe A. O. Smith start capacitor is designed for compatible motor applications where added starting torque is needed to help the motor begin operating properly. A start capacitor is useful because it helps provide the electrical boost needed during startup, supporting smoother motor engagement and more dependable equipment performance. This replacement is especially useful when the original capacitor is swollen, leaking, weak, or no longer helping the