ARU Thermal Regulator #77707-0010 Compatible with MasterTemp 400, 250, 125, 200, 300, 333 and Sta-Rite Pool Spa Heaters SR200, SR333, SR400

Wide Compatibility: Directly replaces part numbers 77707-0010 and 38000-0007S. Compatible with MasterTemp models 125, 200, 250, 300, 333, 400, and Sta-Rite Pool Spa Heaters models SR200, SR333, SR400.Easy Testing &...