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    MarkIV's Avatar
    MarkIV Posts: 1, Reputation: 1
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    #1

    Jan 19, 2009, 11:41 AM
    Wire conversion for 2-stage heat/1-stage cool thermostat
    What is the conversion for wire connections from a Lennox to a White-Rodgers 1F72-151.

    The old connections were: G, W1, W2, Rc, Rh, Y1 and Y2.

    The new connections are: W2, E, O/B ,R ,L ,G, C and Y
    HOLDER's Avatar
    HOLDER Posts: 1, Reputation: 1
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    #2

    Jan 24, 2011, 12:30 PM
    I have a Robertshaw 9420 Thermostat what does stage 1 mean and stage 2,need answer
    Thank you Nora
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