Replacement Fan Control Ignitor Board for "Park Model" furnaces. Fuse Protected, 3 try operation shuts the fan motor OFF a minute and a half after the 3rd ignition try fails to sense a flame. Waits one hour and tries the cycle again before locking out, and having to reset the thermostat. A Bi-Color LED comes on "Green" after the fan comes on and Power appears on the "AIR" terminal. The LED turns "RED" when power appears on the valve terminal.