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    joegomez1954's Avatar
    joegomez1954 Posts: 1, Reputation: 1
    New Member

    Feb 13, 2019, 08:39 AM
    Furnace failure
    Rheem prestige furnace fires up only after upper panel removed
    Flashing codes 5 & 7
    ma0641's Avatar
    ma0641 Posts: 15,681, Reputation: 1012
    Uber Member

    Feb 13, 2019, 11:34 AM
    Sure it's not 57? Pressure switch is not closing. Make Sure the cover isn't crimping the switch hoses.

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