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Originally Posted by didget69
Low mounted R4 compressors will not tolerate the higher head pressures run when using R134a as a replacement. Also, I cannot comment pro/con regarding Freeze 12; I use only R12, as designed for the cooling system.
bnc
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The freeze 12 runs about 10% lower pressures than using R-12. So that is a benefit. If you have the R-12 then use it, if not freeze 12 is great. I actually prefer to use freeze 12 due to the lower operating psi. Hence a system that is not under the same stress.
Either way 134a is only good when used on a system that was designed to use it.
04-23-2006, 11:51 AM
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