Okay, I'm a welder by trade, there's a real easy cure for this, 1. try hanging a trouble light directly on the regulator, if thats not hot enough try a 100w incandescent in the trouble light or a halogen if its still bad (put trouble light on timer so its just warming the regulator/flowmeter during lights on. 2. turn ur flow down, I realize you probably don't want to do it but it's really the source of the problem OR like someone already suggested get a big boy regulator-flowmeter combo like a Harris or Victor. I don't mean to be an ass but I know a little bit about gas laws, here's what happens: solenoid opens and gas flows out, depending on velocity the gas expands exponentially, that velocity of the gas stream is what causes the problems for us, that little flowmeter controls CFH (cubic foot per hour) open it wide open and gas will flow as fast as possibble through the regulator because it's expanding, the expansion causes a drop in density and temerature where it starts to cool the components it flows thru, the brass the reg is made of is now colder than the ambient air temperature, that my friends causes condensation (think bong with ice on a summer day==bong cold,air hot, water on outside of bong). Condensation starts off as water then freezes and blocks up the regulator/flowmeter. Bottom line ---slow down flow OR get a reg designed for higher flow industrial use OR keep that thing warm around it's on time OR buy a generator...
