#77707-0010 Sta-Rite Max-E-Therm 400 Pool Heater, Thermal Regulator Kit
Original Pentair OEM Replacement Part Includes: Thermal Regulator End Cap, Spring and Clip Accommodates: All Pentair MasterTemp and Sta Rite Max-E-Therm Heaters (also Fits Pentair MasterTemp HD and Sta-Rite Max-E-Therm HD Heater models) www.pentairpool.com