A.O. Smith Start Switch (629002-001) jjelectronics A roto-style internal is useful

A roto-style internal is useful because it helps create moving water action through the jet face

Waterway Crystal Water air relief assembly with tube

supporting the intended spa experience and steady jet performance

Useful when the original flange is damaged or worn

Useful in higher-rated control applications

A.O. Smith Start Switch (629002-001) jjelectronics A roto-style internal is usefulThe A. O. Smith start switch is designed for compatible motor applications where proper startup control is needed inside the motor assembly. A start switch is useful because it helps engage the starting circuit at the right time, supporting smoother motor startup and more dependable operation. This replacement is especially useful when the original switch is worn, stuck, burned, or no longer operating correctly during startup. Using the correct start