Features: 1. Made of brass and copper and the safetydump switch is made of sturdy ABS material, durable and long lasting. 2. Can be used in outdoor heaters, it can effectively prevent fire hazards caused by overheating or dumping of the burner. 3. Thermoelectric safety: The patio gas heater dump switch will automatically stop the heater when the heater is tilted or dropped, which can prevent the occurrence of gas leakage. 4. When the furnace head temperature is too high or the furnace head tilts more than 30 degrees, the furnace head will automatically turn off. 5. Wide compatibility: Suitable for is suitable for propane, patio and thermoelectric gas heaterswith thermoelectric safety room gas heater, outdoor patio heater and other thermoelectric gas products. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Brass+Copper+ABS Size: Thermocouple Length: About 353mm/13.9inch Package List: 1 x Thermocouple and Tilt Switch