In cold temperatures, liquid propane could get into the regulator and freeze there. So check that bottles are upright. Escaping gas can also cause frost on the regulator. You can use soap and ...

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?

The propane regulator does just thatregulates the flow of gas to the grill. It’s an incredibly important safety feature, as it will restrict the flow of gas should there ever be a leak ...