I got the harbor freight one for twenty bucks. Worked so good so far. If you go to get one make sure your tank has threads on the inside of where you hook it up. Mine screws in the connection not around it like most grills do. Also threads reversed on it.
BUBBA GRILLS 250r, 4 uds, 3 auber instruments pid's,masterbuilt digital, and too many therms to list