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If you get 24v to the valve but no gas comes out, issue is either gas pressure or gas valve.
Normally you really should not have anything to valve until igniter warms up.You may have an issue with board also, but definitely if valve gets 24v it should open.
Since we know valve is getting 24v but no gas , if you have other gas appliances and they work I would start with valve.If need help locating or part number let me know.