Quote:
Originally Posted by 85gmcguy
The best one to use with 134 is a "parallel flow". The original ones are "serpentine" style and they're not as efficient, especially with 134. If I remember correctly mine came from AutoZone and it was a direct replacement.
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Absolutely correct! The parallel flow are WAY more efficient than the earlier serpentine... HOWEVER, they are also disposible. This means that, sometime in the future, if/when it gets clogged or starts leaking, just pull it out, throw it away and replace it.
If the rest of your AC system is clean though, the parallel flow condensor should give a couple of decades of good service.
Personally, I like these condensors because they make up for R134 not being as efficient as the old R12 refrigerant.