eatures: 100% brand new and high quality Protect type-- automatism reposition Heatr reisance value about 80Ω This heater suitable for soldering station.and the same machine with other different brand. Replace the heating element: 1. Tears off the silica gel tube downward, anti-clockwise release the inserted termination then open the handle elements. 2. Take out the soldering steel after open the handle units,Unplug the ground connection plug, taking out the heating element. 3. After replace,assemble the handle on opposite procedure. Notice for replace hot air soldering station heating element: ​​​​​​​ 1. Take out the heating material from the soldering iron steel pipe and make sure not damage the mica heat insulator in it. Please carefully inspeet the mica heat insulator is perfeet after replacing heating material each time. You must replace it first when finding damage. Otheryise serious leakage accident may occur. 2. Don't press or arition the heater when nstall, and notice the orentation hole on the iron tube to aim at the hanlde orientation. 3. Make sure the front of heating element not touch the tront see mesh. Otherwise serious leakage accident may occur.