1.Made of high quality material, strong and 2.Made of copper and high temperature resistance sensor,3.(1)Replacement for thermostat couple.(2)Replacement of UV6379R UV6379R-Thermocouple(3)Replacement for 1900 Series Heavy Duty Thermocouple.(4)Replacement for Universal HVAC Thermocouple.4.When operating the control valve, if the indicator light goes out,the thermocouple will automatically shut off the air flow. Open valve time less than 10 seconds. and high quality.Temperature measurement range: 120 - 700Operating temperature: 700Thread size: 11/32inchMeasurement range: 700 ()Tolerance level: 0.1Thermal response time: 5 (s)Application place: gas systemPlease check as much as possible to make sure the item is what you need.Colour:Photo ColorMaterial:copperPackage Contents:1 x ThermocouplerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.