Hayward SPX3200UNKIT Union Connector Replacement Kit for Select Hayward Pump and Heater Union connector replacement Fits hayward tristar pump series sp3200ee, sp3200x, sp3600 Also fits hayward northstar pump series sp4000, sp4000x Also compatible with Hayward EcoStar pump and Universal H-series low nox heater and cartridge filter models SP3400VSPVR, C5030 Weighs 4-pound