Not Ranked
I agree with Excaliber... new means it hasnt been tested. Back in the day when I was doing refrigeration for a living..We installed a "brand new" 7 ton condensing unit on a c-store. Plumbed it in, pulled a vaccum, leak checked fired it up and started charing. Roughly 18 lbs of R22 to fill the big system. Watching the sight glass, got it almost full and the compressor went RRRRRRRRRRrrrrrrGGGGGGrrrrrrtTTTTTT and the sight glass turned black. Long story short we went through 3 "brand new" compressors before we got one that would run for more than 30 minutes. Sure they had warranty...that warranty didnt pay me for my labor of flushing the lines..replacing the expansion valve, drier,suction strainer etc etc etc...Undy knows what Im talking about.
I still think its a head gasket myself.
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" If it wont break em loose in 3rd gear, it aint enough power "
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