Thanks again..yeah there's a place in Tampa Florida that restores or rebuilds anything that's vintage factory air from the 50's through who knows.

Dougflas..thanks for your reply. On my POA valve I can see a hex nut inside the male threaded end. Is that the adjustment screw? Also what can I use to flush and clean the valve? Is R-11 flush permissible or should I use something more mild? Keep in mind that the system hasn't been in operation for ...

Hello everyone.. I just joined this forum today and I already have a question. But first a little info about myself. My name is Dave and I'm from northwest Indiana and have been a domestic refrigeration and air condtioning tech for 45 years. I own a '55 Chevy with retrofit A/C that I installed mysel...