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Are you getting 24 volts to the gas valve when igniter lights and do you hear valve click?
New valve click may not be real loud. Do you have a multi meter for checking voltage?
We would need a meter to troubleshoot. You can get an inexpensive one at Walmart for about 15 bucks if you would like to troubleshoot and I would be happy to guide you.
Let me know and tell me if you have only 2 terminals on valve or if more than two terminals I will need complete model on furnace to see which terminals we want to check.
You should just have 2 terminals on valve.Set meter to lowest AC volt setting above 24 (probably 200) put one lead on each terminal and lets see if we get voltage to valve when igniter lights.
Let me know what you find and we wil go from here.
Ahh maybe just bad connections on valve,Make sure they are clean and tight and see if it continues to work.
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