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Yes it is gas. I did not look
You need to look thru the inspection window and see if the ignitor glows. Most units have the small purge blower run, then the ignitor glows very bright yellow, and then while ignitor is glowing, the gas valve control opens, and burner should light. If you have the 1st thing working (draft purge blower), and not the glow, then the ignitor is probably out again. Usually not something that happens, but you could have gotten a bad ignitor, or someone touched the new one accidently, which will cause premature failure. Also make sure you have fuel, and your air filter is clean. To restart the ignition process, you just have to turn off power to the furnace, and after about 30 seconds, turn it on again. Then see how far the sequence goes. Also might check flue pipe for any blockage outside as a blocked flue will prevent sensors from turning on the ignitor because of no draft.