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to quote national: "Do not replenish refrigerant solely because of bubbles in the sight glass. First find out the cause of the bubbles!" I'm thinking fractionization has an additional effect.

ok thank you, but i dont think Hurtinhvac meant what he/she posted as me saying i think im all that. I think he/she meant that my instructors were impressed with my qualities as a potential employee...

well, companies that use sporlan and danfoss told us that's why manufacturers are *trying* to do away with them on their systems. maybe not weed out the suckers like i mis-spoke, but to try to differ...

at least thats what all of the trade-show guys keep preaching to us and it seems to make sense.

reason number 1 why manufacturers are getting rifd of sight glasses, people rely on them. weed out the non-professionals

In a couple of months I will be finishing the achr program at my school. Originally I planned to be a bottom of the barrel helper as some do in the beginning, but have done very well in school since...