1.Made of 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 automatically shut off the air flow. Open valve time less than 10 seconds. and . Temperature measurement range: 120℃ - 700℃ Operating temperature: 700℃ Thread size: 11/32inch Measurement range: 700 (℃) Tolerance level: 0.1 Thermal response time: 5 (s) Application place: gas system Please check as much as possible to make sure the item is what you need. Colour:Photo Color Material:copper Package Contents: 1 x Thermocoupler Only 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.