Brazing copper for HVAC?

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Brazing copper for HVAC?

05-23-11, 09:06 AM

#12

AC_Hacker

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Quote:

Originally Posted by Xringer

"CO2 is OK as a purge gas, as long as it is dry CO2".

Quote:

Be careful to use DRY CO2 as a purge. I spoke to my gas supplier about moisture levels in the CO2 that I was buying and found that they weren't even listed they were so high.

So how will you know that your CO2 is dry?

-AC_Hacker

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