Goodman single stage furnace locked out ignition attempts Reset power Gas valve not opening Verified 24V present at gas valve Put wires back and gas valve began operating normally Jostling the electronics on the gas valve causes interruption in operation Recommend replacing the gas valve to prevent further malfunction Furnace is currently operating Discussed maintenance plans, discounts and repairs Currently in contract with another company who would not respond to emergency service After canceling existing contract, will sign up for gold plan and replace gas valve. Ideally, on the return visit, perform heating maintenance and replace the gas valve at the same time.