A case in point; the humble gas regulator. It’s in equipment all around us, from a propane grill to welding gear. It’s a sealed unit — have you ever seen the inside, to know how it really works?

So, you've bought a natural gas stove, and you want to convert it to propane. You've made a wise ... the conversion plug in the stove's pressure regulator. Then, tighten the orifice spuds for ...