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

    Sep 22, 2010, 11:47 AM
    Replacing indoor unit for heat pump.
    Hello All,

    Currently have a 5ton 10seer heat pump (r22). Need to replace the failed indoor unit.

    I got a new 13seer R410a indoor unit (model # gb5bm-060k-c). Will this work with the old 10seer R22 condenser outside? Are new lines required?
    I know there has to be some efficiency loss, but what else should I know about this?
    elephantears's Avatar
    elephantears Posts: 30, Reputation: 3
    Junior Member
    		  
    #2

    Oct 16, 2010, 02:01 PM
    No, you need a new outside unit or to find an r22 inside unit. If you must proceed with the indoor unit, have a good service technician replace the metering device.
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