High Quality : The patio heater made of high-standard brass and ,and ABS materials, during operation, you need to hold the valve for 5-10 seconds and then thermocouple will start work. Security: The safety tipping switch will automatically stop the heater when the heater is tilted or dropped, which can prevent the occurrence of gas leakage when the fire is extinguished and the gas is still on, which is more secure. Suitable for weak dump switches R 10mohm. Installation steps: The probe is connected to the ignition device, the thermocouple is connected to the valve, and the other two ports are connected to the safety dumping switch, which does not require special tools and is prefect compatible for the part. Guaranteed proper fit: Our Patio Heater Repair Replacement Parts are highly compatible with different models of propane gas heaters including propane patio heaters, indoor room gas heaters, and thermoelectric gas heaters. Note: The head of thermocouple is fixed thread, need to be compared that it is suitable for your heater before purchasing the product. Colour:black Material:ABS+copper Package Contents: 1 * Patio Heater Repair Replacement Parts Only the above package content, other products are not included. Note: Light 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.