One small bit of information.

Look at a R-12 condenser. Now look at a R-134a condenser. See any difference?

[Left 1 and 2 R-12 Right 3 and 4 R-134a]

This is the main reason R-134a "CAN"T" work as efficiently in a R-12 system as R-12. Other factors come i... Login to read more.

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