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    mcline204 Posts: 1, Reputation: 1
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    Mar 25, 2011, 06:06 PM
    installation of Honeywell thermostat T874R?
    I am replacing a SECO thermostat with a Honeywell T874R the color wires I have are
    Blue
    White
    Brown
    Red
    Yellow
    Green
    the connectiona are W3,W2,X2,L,O,X,R,G,Y,B,E,W1; how would the connections go. Thanks to all that help.

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