Water Heater Piezo Igniter Not Working

If the pilot is restricted try removing it and clearing it with a stiff brush and or compressed air.

Water heater piezo igniter not working.

The pilot ignites the water heater s gas burner. Turn the gas off to the water heater and press the piezo igniter. I can t get to the pilot because it s a sealed chamber. Check if the wire connection is tightened correctly.

Check the igniter for any visible cracks or breaks. A water heater igniter has a sparking tip that is directed at the location of the pilot light. Connect the piezo igniter to the electrode figure 3 holding the electrode about to away from the shell of the heater with the insulated pliers depress the piezo igniter. If any visible cracks or breaks are present replace the piezo igniter.

While continuing to hold down the pilot button press down on the igniter button three or four times. Most water heaters do not have any wires attached to the gas valve. This video provides step by step instructions for replacing the igniter and flame sensor on ao smith gas water heaters. Once pressed the electrode should release the spark.

If a spark is present every time the igniter is pressed the piezo igniter is fine if no spark is seen replace the piezo igniter. And one damaged cord that the drum sander ate because it was just that kinda day. Make sure the wire is connected at the bottom of the push button that makes the igniter spark. Ao smith promax water heater igniter not sparking.

The most common reason for replacing. If the pilot cannot be cleaned replace it. 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. If the pilot does not light the water heater will not heat.

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. The piezo igniter is still intact and hooked up but just won t spark. The other tell tale sign is the wire that runs from the gas valve to the igniter. There are two options either have a new piezo igniter installed by a licensed plumber or have a licensed plumber attend your home or office and re light the burner with a barbeque lighter as seen in the image below.

Sometimes carbon deposits can build up on the pilot and eventually create a restriction.