I recently put together a propane/oxygen rig using the info from Doug on Vsalon (Thank you
Doug Fattic !) I went with an oxygen concentrator, BBQ tank, TM hoses, Uniweld 71 torch, Smith fuel regulator, UN-J elbow, and Paige tools tips. Worked spot on, right out of the box! I have fillet brazed and silver soldered with it and am very happy with how it performs. Let me know if you need any part numbers. Happy brazing!!