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Old 07-05-2002, 11:55 AM
Mike Richards Mike Richards is offline
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Join Date: Dec 2001
Posts: 571
I agree with Larry. Get yourself a 609 certification and stay with R-12.

It's my belief that systems that come from the factory with R134a work fine for the most part. Some retrofits work; many do not. In order for a retro to work and I mean work for the long term, a long list of tasks must be performed correctly. Even when this takes place, people are often disappointed in the results.

Steve Brotherton had an interesting comment about R-12 not so long ago. It's the cheapest component in the system, yet people are in awe that they have to spend a few bucks to keep cooling with it.
If your system is leaking, find the leak and fix it. You can convert to R-134a, but you're still going to leak.

My 2 cents.
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