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

    Jun 8, 2008, 01:24 PM
    TXV repeatedly goes bad on my Rheem
    Hi All,

    I have a new Rheem unit (6 months old) and since the hot weather really started, the TXV has gone bad two times within a week. I suspect that either we have a lemon, or most likely, the people who have installed it and repaired it have not done something correctly.

    Could someone give me the possible problems that would cause a TXV to go out repeatedly like this?

    Thanks,

    Steve
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jun 8, 2008, 03:19 PM
    The unit is still under warranty and should be repaired by the installer for free.

    If it is a braze in valve it could have been overheated during the install. There could also be dirt/noncondensibles in the system. Add a liquid line drier right before where the liquid line enters the inside unit. This will trap and contaminants.

    Note there were a few batches of TXV's that were defective from the factory. Your installer might have got one of those.
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