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    anselmom's Avatar
    anselmom Posts: 1, Reputation: 1
    New Member
    		  
    #1

    May 24, 2010, 07:43 AM
    4 ton r410 to 3/4 suction lines
    What will be the possible problem
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    May 24, 2010, 09:50 AM
    It will be a problem if it says in the install manual that they are to small. Look in the install manual that came with the new unit. It has the correct answer. Also if these lines are being used over from a R=22 system they will need to be flushed OR you will have more problems.
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