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    gstuck's Avatar
    gstuck Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 14, 2007, 09:19 AM
    Main gas won't fire
    Heil 7000 High Eff
    Purge blower turns on
    Pilot fires, main gas will not open / fire or rather honeywell (VR82041075) MV won't open. Electronic board MV output voltage is what to valve? No manual.

    Module HQ1005962EX
    acetc's Avatar
    acetc Posts: 1,004, Reputation: 79
    Ultra Member
    		  
    #2

    Oct 14, 2007, 10:28 AM
    The gas valve is 24 volts, make sure someone has not turned it to the off or pilot position.
    There is a flame sensor in the burner area, check to insure you have a good flame and it is touching the sensor (a rod with a wire going to the ignition modual) try sanding the sensor rod, good luck, Mike
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