Gas Water Heater Burner Won T Light

Remove the burner access covers and unscrew the nuts on the gas pilot and thermocouple lines.

Gas water heater burner won t light. Gas main control valves are generally among the last components to fail on your water heater. To determine if the igniter is defective first make sure the igniter is getting voltage. Turn on your hot water tap and wait for about 4 5 minutes for the burner to ignite. If the igniter fails the burner will not light.

It senses when the flame of the pilot is hot enough to trigger ignition of the natural gas or propane that fuels the. The thermocouple is the co pilot to the pilot light in electronic heaters. Some water heaters use an igniter to ignite the gas. If the primary control valve is indeed faulty then it will need to be replaced to fix the problem.

If your water heater s burner is defective then this is likely to affect ignition which may cause the pilot s light to go off. Most newer models of gas water heaters have. A bad thermocouple will shut off gas to both the pilot and the burner so the pilot light won t stay lit. Troubleshooting these basic causes of a water heater that won t light can help to restore your hot water supply and bring comfort back to your home.

Turn off the control valve and the shutoff. In most cases it is advisable to change the burner entirely but first you can conduct some preliminary checks.