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> r22 to 410
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r22 to 410
05-03-2007, 05:19 PM
When a old unit is running r22 and one is replacing it with a new r410a, is there anything different they have to do in install of new unit with lines etc......
05-03-2007, 10:15 PM
There's a whole list of things that are important,check around this site.
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