The Hot Springs Spas Wavemaster® 6000 jet pump is the updated replacement for the 2000-2002 Hot Spring Hot Spot Square and 2003-current Hot Spring Solana SX spa models. This pump is also the most current replacement for the fourth quarter 2003-current Hot Spring Hot Spot Sorrento and 2003-current Hot Spring Trinidad spa models. The two speed function utilizes the low speed for automatic filtration and high speed for hydrotherapy. The jet pump is designed for 115v. Replaces 38944, 72030