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Reply to "Orignal R12 A/C Pressures Readings?"

quote:
draw a line across from the 100 degree / 220 psi to the 45.6 degree / 49 psi and end up with 220 / 49 when the outside air is 100 degrees?


Yes. The chart reads straight across. Actual readings will vary depending upon length of hoses, measuring point, etc.

John
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