Water Heater Igniter Not Sparking

Make sure the wire is connected at the bottom of the push button that makes the igniter spark.

Water heater igniter not sparking.

Published on feb 18 2014 this video provides step by step instructions for replacing the igniter and flame sensor on ao smith gas water heaters. The water heater uses the piezo igniter to light the main gas burner and when it is pressed down it releases the electric spark. Manometer range 0 6 water column inches used to measure gas pressure not cracked. Don t panic just because the piezo igniter has seized up and is no longer working there is still life to be had out of your hot water service providing the tank hasn t ruptured.

Some water heaters use an igniter to ignite the gas. Verify hood above ignitor is. The spark is small and the igniter is deep inside the base of the water heater. When trying to light the heater be sure to put the gas valve on the water heater in the pilot position and hold down on the pilot button.

Gas control valve opens to minimum fire rate. The most common reason for replacing the igniter. If the igniter is getting voltage but it doesn t glow this indicates that the igniter is defective and should be replaced. If you still can t see a spark turn the gas control knob off turn the gas supply valve off and click on more help below.

Water heater ignitor not sparking spark igniter begins sparking. To determine if the igniter is defective first make sure the igniter is getting voltage. If the igniter fails the burner will not light. When troubleshooting lighting problems it is recommended to test it first.

Turn the gas off to the water heater and press the piezo igniter. The spark gap is factory set 0 125 and should be maintained.