Sputtervalve
<Tinkers' Union>
Found in The Barrens.
The Barrens
Quest Level Side Samophlange 14 Both Wenikee Boltbucket 14 Horde Ziz Fizziks 21 Both Further Instructions 27 Both Quest Level Side Samophlange 16 Both The Escape 18 Both Further Instructions 21 Both Zone Spawns Coordinates The Barrens 1 63.0, 37.2