Work faster and more efficiently with the max heat torch for faster work times. The torch is ideal for job site projects including soldering large diameter copper pipes, brazing, heat treating and light welding. The large, optimized swirl flame provides maximum heat output. The auto start/stop ignition lights and extinguishes the flame with the push of a button, and an adjustable flame control knob makes it easy to size the flame for different applications. Run lock button keeps the torch lit for continuous use.