Waterway Clearwater 26" Sand Filter to Pump Union Hose Assembly Round Filter (550 1831) deltrolcontrols A wet end like this A wet end like this is useful because it restores the complete hydraulic side of the pump while preserving both the larger frame requirement and the mixed connection layout of the original assembly 5 kW Spa Heater Assembly is designed for compatible 240V spa systems where the original heater has become unreliable and can no longer maintain the stronger heat performance the spa was designed around Replacing the full hose assembly can be a more reliable repair than trying to reuse an aging line that has become brittle or worn This Waterway part is especially practical when the original 26 inch round filter connection needs a correct and complete plumbing renewal