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-   -   American standard furnace gas valve will not open (https://www.askmehelpdesk.com/showthread.php?t=524136)

  • Nov 8, 2010, 05:15 PM
    dcoggs3
    American standard furnace gas valve will not open
  • Nov 8, 2010, 05:28 PM
    mygirlsdad77

    Is it getting correct voltage when it should be opening?
  • Nov 8, 2010, 05:32 PM
    dcoggs3
    Comment on mygirlsdad77's post
    Yes the gas valve receives 24v for abot 2 seconds then nothing
  • Nov 8, 2010, 07:42 PM
    ivanh
    Comment on mygirlsdad77's post
    Check electrical polarity of power wiring to furnace. Some newer units will turn into a pumpkin if the a/c power polarity is not correct. Just reverse hot/neutal wires. Usually get trouble flash on mother board also.

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