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  1. #1
    Join Date
    Oct 2003
    Posts
    13
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    Question

    My Weil McClain Ultra 230 unit does not appear to receive a call for heat signal from either of the thermostadts in my house (2 zone). The thermostadts say system on and appear to be calling for heat. The indirect DHW works fine. The outdoor sensor unit was connected and even when outdoor air was <70 it did not crank out any heat. The outdoor sensor is now disconnected but still no heat. Any ideas?

  2. #2
    Join Date
    Jan 2004
    Location
    PA
    Posts
    70,446
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    Is the zone control panel working.
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    How many times must one fix something before it is fixed?

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