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R134a - I don't get it ?

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Old May 26, 2019 | 08:33 PM
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R134a - I don't get it ?

I have some $49 gauges and have charged, or overcharged my system I should say. I'll correct that...

Question.. ? On the gauges, I know now to use the "psi" scale.....I guess you just have to assume the largest scale is for Auto R134a...?

So what is the R134a scale for ? On the high side it surely doesn't go up to 210 - 220 psi.
 
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Old May 26, 2019 | 09:21 PM
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It could go upwards of 450 psi in extreme circumstances.

Multi-refrigerant gauges have different scales.
 
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