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    smitty100 Posts: 1, Reputation: 1
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    May 21, 2013, 05:48 AM
    Changed the control board in my furnace, due to water damage. The new w/r replacement
    Changed out the control/circuit board on my furnace due to water damage,
    The white-rodgers 50a55-843 replacement turns on the blower motor
    Even with thermostat wires disconnected. And will not turn on my a/c unit
    When put on.

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