There is a flashing red light on a water heating system.
Power has been applied to the heater before it can fill with water.To get a steady stream of water, open the nearest hot water faucet.The water goes out of the faucet.Shut off the faucet when the water is completely filled.
How do I know if the pilot light is on?The small metal tube below the burner assembly is the pilot gas line.If the pilot is lit, there will be a small blue flame at the end.The pilot light is out if you don't see a small blue flame burning.
The reset button is located on the red button.The control panel should have a red button in the center.The button needs to be pressed firmly.If you haven't reset the heater in a while, the reset button can be sticky.Wait to hear the click.
Not enough air.Not enough air.The pilot light may go out if the water heater is located in a utility closet.A build-up of Carbon Monoxide can be life threatening.