oxygen regulators run normally at around 3,000 psi and are tested 1.5 of that min.paint ball tank=1,200psi but don't go buy one they are expensive mine was free
water will take the path of least resistance when it gets to the t it has a choice and it will always choose the easier path so I'm afraid you will be getting flow through one of the coils at a good rate and the other not so good may be better to put them in series.
check the cert date don't get rid of one until you have one that has a good cert if they are both good with fresh certs keep the 10 you can always trade down if they are both bad sell both and get a 10 you can always trade down
thanks will these work to control a mini fridge size wine chiller. Also will they work on a full size deep freeze has any one been using them is the internal switching able to handle the load.thanks again
do you have a way to get the fridge out once the bar is finished if you do it will run for ever if you don't it will die the day after you finish the bar.
the cooler is this one and you can sometimes find it with the tall top or you can just buy the max cold top or just buy the max cold cooler and have a blue one instead of white.i used a jig saw with a long blade for the big hole and a hole saw for the small hole...