An Alternative to Retrofitting to R-134a
Summer 1997 "NACAT NEWS"

4 pages of the summer 1997 NACAT NEWS (reprinted with permission)
(gif images, avg 150 Kbytes/page). Click on each page to see it.
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All 4 pages incorporated into an Adobe Acrobat (PDF) file (460
Kb)
Autofrost/R-406A/Chill-it/R-414A Technical Discussions on why they are better than R-134a and other blends. PDF file, 236KB. (includes A/C operation diagrams)