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Old 04-06-2007, 11:43 PM   #11
70K10375
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Join Date: Apr 2007
Location: Nebraska
Posts: 4
Re: Freeze 12 vs. 134a?

I am a commercial and industrial refrigeration service technician and do not think 134a is worth a crap. The synthetic oil needed in these systems is the problem. These systems are more critical than the R-12 systems were.
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'70 K/10 LOTS of rust
BUT I only paid $375 for it
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