Home / Heating / Pyrox / Thermocouple Pyrox Mirco Switch 9mm Nut 580m R600 Thermocouple Pyrox Mirco Switch 9mm Nut 580m R600 Thermocouple to Suit most old model Pyrox heaters. Product ID: 1058AA Categories: Heating, Pyrox Tag: 1058AA Description Additional information Description Thermocouple to Suit most old model Pyrox heaters. Additional information PID 1058AA Related products Spark Igniter & Flame Sensor Thermister Brivis 19335 Gas Control Sit Quasar-N0.710.133 BCG3 PCB Elec Cntrl B019310