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    mapawong's Avatar
    mapawong Posts: 7, Reputation: 1
    New Member
     
    #1

    Oct 15, 2009, 07:53 AM
    Replacing cooper lines vs flushing
    Should I replace the cooper lines or flush out the existing lines when installing a new central ac unit ?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
     
    #2

    Oct 15, 2009, 09:27 AM
    Actually that is a personal choice since both methods will work. Make sure the larger of the lines (suction) is the correct size for the new unit.

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