Quote Originally Posted by wdrzal View Post
condensers are a continuous tube unless damaged tubes don't leak in the middle, bet on a joint you brazed check those closely,all of them, also check to be sure you hoses or manifold is not leaking around the valve stems. check hose seals and valve cores
BTW, I fund the leak, it was inside the joint of the stainless steel flex and the copper end.
So I used a Harris 45% silver rod.

My problem was the regulator I have in my little 1/2mt nitrogen cylinder is a piece of garbage and I have to struggle to get over 300psi out of it.
So, next in my "to do" list is to get a better nitrogen regulator and after that a bigger cylinder, I'm getting tired to recharge it twice in a week.