Quote:
Originally Posted by Motorhead
To LEGALLY install Duracool in a R12 system, you need to change the fittings on the High and Low side lines. They sell adapter fittings that screw on and seal onto the existing R12 fittings.
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FYI, It is illegal to use "Duracool" in any MVAC application that is currently using R12.
http://www.epa.gov/ozone/snap/refrigerants/hc-12a.html