IIRC from my reading and our discussions on this last spring (and if things haven't changed quite a bit), there's a list of states on the EPA site that have banned using hydrocarbons as a refrigerant in motor vehicles completely, regardless of how you go about it. At any rate, there's a great deal of information on the site and it would be well worth the time to do some reading there for anyone considering a conversion or working on their A/C systems themselves. Cya, Robert ----- Original Message ----- From: "Kim Brennan" <kimbrennan@MAC.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Wednesday, May 25, 2005 1:54 PM Subject: Re: all my R12 is gone..? (bummer)
>I read up some more on the whole Duracool stuff. There is some > interesting reading, and what is available from various COMPANIES > varies. However, from the US EPA site this information was gleaned: > > It is illegal to replace R12 in a system with a hyrdocarbon refrigerant. > It is illegal to mix refrigerants. > You can replace R12 with R134. > There are no restrictions on replacing R134 with hydrocarbon > refrigerants. > It is illegal to vent (to the atmosphere) any refrigerant....except for > hydrocarbon refrigerants (which due to their flammability would be more > hazardous to reclaim then vent.) > > Note that information again. You CAN use Duracool (or other hydrocarbon > refrigerants) if you have FIRST converted to R134. (My instructions as > previously posted did mention that step, and did include the comment > that after the conversion you have your system properly evacuated and > the R134 reclaimed, if not in so many words.) > > I've been extremely pleased with Duracool's performance and cooling > capabilities and (obviously) don't hesitate to recommend it to other > Vanagon folk. |
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