Photo 1 of Thermal Regulator Compatible with MasterTemp 400 250 125 200 300 333 Models and Sta-Rite Pool Spa Heaters SR200 SR333 SR400 Models, Replace# 77707-0010, 38000-0007S

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Photo 1 of Thermal Regulator Compatible with MasterTemp 400 250 125 200 300 333 Models and Sta-Rite Pool Spa Heaters SR200 SR333 SR400 Models, Replace# 77707-0010, 38000-0007SPhoto 2 of Thermal Regulator Compatible with MasterTemp 400 250 125 200 300 333 Models and Sta-Rite Pool Spa Heaters SR200 SR333 SR400 Models, Replace# 77707-0010, 38000-0007S