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    windsor53's Avatar
    windsor53 Posts: 1, Reputation: 1
    New Member
     
    #1

    Sep 13, 2010, 11:21 AM
    How do you convert 410A to 22 freon in a duraguard airhandler
    We have a 410A duroguard Air Handler that needs to be converted to R22
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
     
    #2

    Sep 14, 2010, 03:37 PM

    You do not convert unless it was certified at the factory at the time of manufacturer that it could be used with R-410A refrigerant. R-410A runs at a higher pressure than R-22 and that is the problem.
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
     
    #3

    Sep 14, 2010, 04:11 PM

    Are you saying you have a 410A airhandler now, but a 22 condenser unit outside? You can use 410 rated evap coils on a 22 system as long as you use the correct metering device. Im assuming this is a air handler replacement while keeping the old condenser unit?

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