gas heater accessories, thermocouple probe, dump switch, outdoor safety configuration, flameout protection, and dump protection switch are commonly used in outdoor heaters, which can effectively prevent fire caused by overheating or dumping of the burner. When the temperature of the burner head is too high or the burner head is tilted more than 30 degrees, the burner head will automatically turn off. Packed in an easy-sealable bag, the weight of a single set is about 72g The brand dump switch is matched with L353mm thermocouple, which uses a thicker 1.5mm wire instead of 1.2mm or 1.0mm, the system is more stable and durable. Name:Thermocouple probe dump switch outdoor heater accessories safety configuration flameout protection dump protection switch Colour:Black Material:plastic+copper+iron Size:13x19cm Package Contents: 1 * thermocouple switch 1 * dump switch 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.