77707-0016 per Kit Collettore Riscaldatore Piscina e Spa MasterTemp/Max-E-Therm 400
Wide Compatibility :Compatible with all Pentair MasterTemp pool heater models: 460736, 460737, and 460805, as well as all Sta-Rite Max-E-Therm pool heater models: SR400NA, SR400HD, and SR400LP, catering to your diverse needs.