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gstuck
Oct 14, 2007, 09:19 AM
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
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