When you install it do not over bend the copper pipe So as not to cause unnecessary losses This assembly comes with a built in thermocouple for automatic flame detection and added Enhances your appliances with this stable and assembly, ensuring a safe and cooking every time Suitable for homeowners and professional installation and repair engineers, this assembly is perfect for appliances like fireplaces Stainless Steel shell, rustproof and enduring and have a super longservice life, Manufacturer: Xjdzineq