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    komar tech's Avatar
    komar tech Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 11, 2008, 09:12 AM
    No Heat Only Cooling
    I have an old Rheem package unit model no. RPND037C was working fine all sumer but now that its colder I get no heat. I suspect the reversing valve.. but not to familiar with the Rheem units. I know on the Carrier package units the reversing valve fails in heat.
    Anyone have any other suggestion that I might check?

    Komar Tech
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #2

    Dec 11, 2008, 07:05 PM

    First make sure your tstat is telling the reversing valve to change over
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