Waterway 2 1 2" Viper Spa Pump Volute (315 1500) controlsystems A complete wet end replacement is A complete wet end replacement is especially practical when the motor remains serviceable and the goal is to renew the part of the pump that actually handles water movement without replacing more than necessary The Hydro Quip 6 inch universal Pump 1 2 speed adapter cord is designed for compatible first pump applications where a short molded and lit AMP style connection cable is required helping restore the pump’s internal flow path when the original housing has cracked Volutes are one of the key structural pieces in pump rebuild work because they affect both fit and hydraulic performance